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<!-- -->
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<p>Processing components process and transform data within a flow.</p>
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<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="use-a-processing-component-in-a-flow">Use a processing component in a flow<a href="#use-a-processing-component-in-a-flow" class="hash-link" aria-label="Direct link to Use a processing component in a flow" title="Direct link to Use a processing component in a flow"></a></h2>
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<p>The <strong>Split Text</strong> processing component in this flow splits the incoming <a href="/concepts-objects">Data</a> into chunks to be embedded into the vector store component.</p>
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<p>The component offers control over chunk size, overlap, and separator, which affect context and granularity in vector store retrieval results.</p>
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<p><img decoding="async" loading="lazy" alt="A vector store ingesting documents" src="/assets/images/vector-store-document-ingestion-fce32e9be440846a2545397e3a18b7bf.png" width="1804" height="1546" class="img_ev3q"></p>
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<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="combine-data">Combine data<a href="#combine-data" class="hash-link" aria-label="Direct link to Combine data" title="Direct link to Combine data"></a></h2>
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||
<div class="theme-admonition theme-admonition-important admonition_xJq3 alert alert--info"><div class="admonitionHeading_Gvgb"><span class="admonitionIcon_Rf37"><svg viewBox="0 0 14 16"><path fill-rule="evenodd" d="M7 2.3c3.14 0 5.7 2.56 5.7 5.7s-2.56 5.7-5.7 5.7A5.71 5.71 0 0 1 1.3 8c0-3.14 2.56-5.7 5.7-5.7zM7 1C3.14 1 0 4.14 0 8s3.14 7 7 7 7-3.14 7-7-3.14-7-7-7zm1 3H6v5h2V4zm0 6H6v2h2v-2z"></path></svg></span>important</div><div class="admonitionContent_BuS1"><p>Prior to Langflow version 1.1.3, this component was named <strong>Merge Data</strong>.</p></div></div>
|
||
<p>This component combines multiple data sources into a single unified <a href="/concepts-objects#data-object">Data</a> object.</p>
|
||
<p>The component iterates through the input list of data objects, merging them into a single data object. If the input list is empty, it returns an empty data object. If there's only one input data object, it returns that object unchanged. The merging process uses the addition operator to combine data objects.</p>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="inputs">Inputs<a href="#inputs" class="hash-link" aria-label="Direct link to Inputs" title="Direct link to Inputs"></a></h3>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>data</td><td>Data</td><td>A list of data objects to be merged.</td></tr></tbody></table>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="outputs">Outputs<a href="#outputs" class="hash-link" aria-label="Direct link to Outputs" title="Direct link to Outputs"></a></h3>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>merged_data</td><td>Merged Data</td><td>A single <a href="/concepts-objects#data-object">Data</a> object containing the combined information from all input data objects.</td></tr></tbody></table>
|
||
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="combine-text">Combine text<a href="#combine-text" class="hash-link" aria-label="Direct link to Combine text" title="Direct link to Combine text"></a></h2>
|
||
<p>This component concatenates two text sources into a single text chunk using a specified delimiter.</p>
|
||
<ol>
|
||
<li>To use this component in a flow, connect two components that output <a href="/concepts-objects#message-object">Messages</a> to the <strong>Combine Text</strong> component's <strong>First Text</strong> and <strong>Second Text</strong> inputs.
|
||
This example uses two <strong>Text Input</strong> components.</li>
|
||
</ol>
|
||
<p><img decoding="async" loading="lazy" alt="Combine text component" src="/assets/images/component-combine-text-a73b71c22cc8099bf2a9ba22170ea701.png" width="1148" height="675" class="img_ev3q"></p>
|
||
<ol start="2">
|
||
<li>In the <strong>Combine Text</strong> component, in the <strong>Text</strong> fields of both <strong>Text Input</strong> components, enter some text to combine.</li>
|
||
<li>In the <strong>Combine Text</strong> component, enter an optional <strong>Delimiter</strong> value.
|
||
The delimiter character separates the combined texts.
|
||
This example uses <code>\n\n **end first text** \n\n **start second text** \n\n</code> to label the texts and create newlines between them.</li>
|
||
<li>Connect a <strong>Chat Output</strong> component to view the text combination.</li>
|
||
<li>Click <strong>Playground</strong>, and then click <strong>Run Flow</strong>.
|
||
The combined text appears in the <strong>Playground</strong>.</li>
|
||
</ol>
|
||
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>This is the first text. Let's combine text!</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>end first text</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>start second text</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>Here's the second part. We'll see how combining text works.</span></div></div><br></code></div></div>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="inputs-1">Inputs<a href="#inputs-1" class="hash-link" aria-label="Direct link to Inputs" title="Direct link to Inputs"></a></h3>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>first_text</td><td>First Text</td><td>The first text input to concatenate.</td></tr><tr><td>second_text</td><td>Second Text</td><td>The second text input to concatenate.</td></tr><tr><td>delimiter</td><td>Delimiter</td><td>A string used to separate the two text inputs. Defaults to a space.</td></tr></tbody></table>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="outputs-1">Outputs<a href="#outputs-1" class="hash-link" aria-label="Direct link to Outputs" title="Direct link to Outputs"></a></h3>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>message</td><td>Message</td><td>A <a href="/concepts-objects#message-object">Message</a> object containing the combined text.</td></tr></tbody></table>
|
||
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="dataframe-operations">DataFrame operations<a href="#dataframe-operations" class="hash-link" aria-label="Direct link to DataFrame operations" title="Direct link to DataFrame operations"></a></h2>
|
||
<p>This component performs operations on <a href="https://pandas.pydata.org/docs/reference/api/pandas.DataFrame.html" target="_blank" rel="noopener noreferrer">DataFrame</a> rows and columns.</p>
|
||
<p>To use this component in a flow, connect a component that outputs <a href="/concepts-objects#dataframe-object">DataFrame</a> to the <strong>DataFrame Operations</strong> component.</p>
|
||
<p>This example fetches JSON data from an API. The <strong>Lambda filter</strong> component extracts and flattens the results into a tabular DataFrame. The <strong>DataFrame Operations</strong> component can then work with the retrieved data.</p>
|
||
<p><img decoding="async" loading="lazy" alt="Dataframe operations with flattened dataframe" src="/assets/images/component-dataframe-operations-86f6e1111b6f414989aca7b5fe625830.png" width="983" height="696" class="img_ev3q"></p>
|
||
<ol>
|
||
<li>The <strong>API Request</strong> component retrieves data with only <code>source</code> and <code>result</code> fields.
|
||
For this example, the desired data is nested within the <code>result</code> field.</li>
|
||
<li>Connect a <strong>Lambda Filter</strong> to the API request component, and a <strong>Language model</strong> to the <strong>Lambda Filter</strong>. This example connects a <strong>Groq</strong> model component.</li>
|
||
<li>In the <strong>Groq</strong> model component, add your <strong>Groq</strong> API key.</li>
|
||
<li>To filter the data, in the <strong>Lambda filter</strong> component, in the <strong>Instructions</strong> field, use natural language to describe how the data should be filtered.
|
||
For this example, enter:</li>
|
||
</ol>
|
||
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>I want to explode the result column out into a Data object</span></div></div><br></code></div></div>
|
||
<div class="theme-admonition theme-admonition-tip admonition_xJq3 alert alert--success"><div class="admonitionHeading_Gvgb"><span class="admonitionIcon_Rf37"><svg viewBox="0 0 12 16"><path fill-rule="evenodd" d="M6.5 0C3.48 0 1 2.19 1 5c0 .92.55 2.25 1 3 1.34 2.25 1.78 2.78 2 4v1h5v-1c.22-1.22.66-1.75 2-4 .45-.75 1-2.08 1-3 0-2.81-2.48-5-5.5-5zm3.64 7.48c-.25.44-.47.8-.67 1.11-.86 1.41-1.25 2.06-1.45 3.23-.02.05-.02.11-.02.17H5c0-.06 0-.13-.02-.17-.2-1.17-.59-1.83-1.45-3.23-.2-.31-.42-.67-.67-1.11C2.44 6.78 2 5.65 2 5c0-2.2 2.02-4 4.5-4 1.22 0 2.36.42 3.22 1.19C10.55 2.94 11 3.94 11 5c0 .66-.44 1.78-.86 2.48zM4 14h5c-.23 1.14-1.3 2-2.5 2s-2.27-.86-2.5-2z"></path></svg></span>tip</div><div class="admonitionContent_BuS1"><p>Avoid punctuation in the <strong>Instructions</strong> field, as it can cause errors.</p></div></div>
|
||
<ol start="5">
|
||
<li>To run the flow, in the <strong>Lambda Filter</strong> component, click <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-play" aria-label="Play icon"><polygon points="6 3 20 12 6 21 6 3"></polygon></svg>.</li>
|
||
<li>To inspect the filtered data, in the <strong>Lambda Filter</strong> component, click <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-text-search" aria-label="Inspect icon"><path d="M21 6H3"></path><path d="M10 12H3"></path><path d="M10 18H3"></path><circle cx="17" cy="15" r="3"></circle><path d="m21 19-1.9-1.9"></path></svg>.
|
||
The result is a structured DataFrame.</li>
|
||
</ol>
|
||
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>id | name | company | username | email | address | zip</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>---|------------------|----------------------|-----------------|------------------------------------|-------------------|-------</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>1 | Emily Johnson | ABC Corporation | emily_johnson | emily.johnson@abccorporation.com | 123 Main St | 12345</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>2 | Michael Williams | XYZ Corp | michael_williams| michael.williams@xyzcorp.com | 456 Elm Ave | 67890</span></div></div><br></code></div></div>
|
||
<ol start="7">
|
||
<li>Add the <strong>DataFrame Operations</strong> component, and a <strong>Chat Output</strong> component to the flow.</li>
|
||
<li>In the <strong>DataFrame Operations</strong> component, in the <strong>Operation</strong> field, select <strong>Filter</strong>.</li>
|
||
<li>To apply a filter, in the <strong>Column Name</strong> field, enter a column to filter on. This example filters by <code>name</code>.</li>
|
||
<li>Click <strong>Playground</strong>, and then click <strong>Run Flow</strong>.
|
||
The flow extracts the values from the <code>name</code> column.</li>
|
||
</ol>
|
||
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>name</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>Emily Johnson</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>Michael Williams</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>John Smith</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>...</span></div></div><br></code></div></div>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="operations">Operations<a href="#operations" class="hash-link" aria-label="Direct link to Operations" title="Direct link to Operations"></a></h3>
|
||
<p>This component can perform the following operations on Pandas <a href="https://pandas.pydata.org/docs/reference/api/pandas.DataFrame.html" target="_blank" rel="noopener noreferrer">DataFrame</a>.</p>
|
||
<table><thead><tr><th>Operation</th><th>Description</th><th>Required Inputs</th></tr></thead><tbody><tr><td>Add Column</td><td>Adds a new column with a constant value</td><td>new_column_name, new_column_value</td></tr><tr><td>Drop Column</td><td>Removes a specified column</td><td>column_name</td></tr><tr><td>Filter</td><td>Filters rows based on column value</td><td>column_name, filter_value</td></tr><tr><td>Head</td><td>Returns first n rows</td><td>num_rows</td></tr><tr><td>Rename Column</td><td>Renames an existing column</td><td>column_name, new_column_name</td></tr><tr><td>Replace Value</td><td>Replaces values in a column</td><td>column_name, replace_value, replacement_value</td></tr><tr><td>Select Columns</td><td>Selects specific columns</td><td>columns_to_select</td></tr><tr><td>Sort</td><td>Sorts DataFrame by column</td><td>column_name, ascending</td></tr><tr><td>Tail</td><td>Returns last n rows</td><td>num_rows</td></tr></tbody></table>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="inputs-2">Inputs<a href="#inputs-2" class="hash-link" aria-label="Direct link to Inputs" title="Direct link to Inputs"></a></h3>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>df</td><td>DataFrame</td><td>The input DataFrame to operate on.</td></tr><tr><td>operation</td><td>Operation</td><td>Select the DataFrame operation to perform. Options: Add Column, Drop Column, Filter, Head, Rename Column, Replace Value, Select Columns, Sort, Tail</td></tr><tr><td>column_name</td><td>Column Name</td><td>The column name to use for the operation.</td></tr><tr><td>filter_value</td><td>Filter Value</td><td>The value to filter rows by.</td></tr><tr><td>ascending</td><td>Sort Ascending</td><td>Whether to sort in ascending order.</td></tr><tr><td>new_column_name</td><td>New Column Name</td><td>The new column name when renaming or adding a column.</td></tr><tr><td>new_column_value</td><td>New Column Value</td><td>The value to populate the new column with.</td></tr><tr><td>columns_to_select</td><td>Columns to Select</td><td>List of column names to select.</td></tr><tr><td>num_rows</td><td>Number of Rows</td><td>Number of rows to return (for head/tail). Default: 5</td></tr><tr><td>replace_value</td><td>Value to Replace</td><td>The value to replace in the column.</td></tr><tr><td>replacement_value</td><td>Replacement Value</td><td>The value to replace with.</td></tr></tbody></table>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="outputs-2">Outputs<a href="#outputs-2" class="hash-link" aria-label="Direct link to Outputs" title="Direct link to Outputs"></a></h3>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>output</td><td>DataFrame</td><td>The resulting DataFrame after the operation.</td></tr></tbody></table>
|
||
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="data-to-dataframe">Data to DataFrame<a href="#data-to-dataframe" class="hash-link" aria-label="Direct link to Data to DataFrame" title="Direct link to Data to DataFrame"></a></h2>
|
||
<p>This component converts one or multiple <a href="/concepts-objects#data-object">Data</a> objects into a <a href="/concepts-objects#dataframe-object">DataFrame</a>. Each Data object corresponds to one row in the resulting DataFrame. Fields from the <code>.data</code> attribute become columns, and the <code>.text</code> field (if present) is placed in a 'text' column.</p>
|
||
<ol>
|
||
<li>To use this component in a flow, connect a component that outputs <a href="/concepts-objects#data-object">Data</a> to the <strong>Data to Dataframe</strong> component's input.
|
||
This example connects a <strong>Webhook</strong> component to convert <code>text</code> and <code>data</code> into a DataFrame.</li>
|
||
<li>To view the flow's output, connect a <strong>Chat Output</strong> component to the <strong>Data to Dataframe</strong> component.</li>
|
||
</ol>
|
||
<p><img decoding="async" loading="lazy" alt="A webhook and data to dataframe" src="/assets/images/component-data-to-dataframe-3e921379e4e86fedf0e34e3ffae46b51.png" width="1221" height="468" class="img_ev3q"></p>
|
||
<ol start="3">
|
||
<li>Send a POST request to the <strong>Webhook</strong> containing your JSON data.
|
||
Replace <code>YOUR_FLOW_ID</code> with your flow ID.
|
||
This example uses the default Langflow server address.</li>
|
||
</ol>
|
||
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>curl -X POST "http://127.0.0.1:7860/api/v1/webhook/YOUR_FLOW_ID" \</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>-H 'Content-Type: application/json' \</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>-d '{</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span> "text": "Alex Cruz - Employee Profile",</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span> "data": {</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span> "Name": "Alex Cruz",</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span> "Role": "Developer",</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span> "Department": "Engineering"</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span> }</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>}'</span></div></div><br></code></div></div>
|
||
<ol start="4">
|
||
<li>In the <strong>Playground</strong>, view the output of your flow.
|
||
The <strong>Data to DataFrame</strong> component converts the webhook request into a <code>DataFrame</code>, with <code>text</code> and <code>data</code> fields as columns.</li>
|
||
</ol>
|
||
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>| text | data |</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>|:-----------------------------|:------------------------------------------------------------------------|</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>| Alex Cruz - Employee Profile | {'Name': 'Alex Cruz', 'Role': 'Developer', 'Department': 'Engineering'} |</span></div></div><br></code></div></div>
|
||
<ol start="5">
|
||
<li>Send another employee data object.</li>
|
||
</ol>
|
||
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>curl -X POST "http://127.0.0.1:7860/api/v1/webhook/YOUR_FLOW_ID" \</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>-H 'Content-Type: application/json' \</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>-d '{</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span> "text": "Kalani Smith - Employee Profile",</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span> "data": {</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span> "Name": "Kalani Smith",</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span> "Role": "Designer",</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span> "Department": "Design"</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span> }</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>}'</span></div></div><br></code></div></div>
|
||
<ol start="6">
|
||
<li>In the <strong>Playground</strong>, this request is also converted to <code>DataFrame</code>.</li>
|
||
</ol>
|
||
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>| text | data |</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>|:--------------------------------|:---------------------------------------------------------------------|</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>| Kalani Smith - Employee Profile | {'Name': 'Kalani Smith', 'Role': 'Designer', 'Department': 'Design'} |</span></div></div><br></code></div></div>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="inputs-3">Inputs<a href="#inputs-3" class="hash-link" aria-label="Direct link to Inputs" title="Direct link to Inputs"></a></h3>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>data_list</td><td>Data or Data List</td><td>One or multiple Data objects to transform into a DataFrame.</td></tr></tbody></table>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="outputs-3">Outputs<a href="#outputs-3" class="hash-link" aria-label="Direct link to Outputs" title="Direct link to Outputs"></a></h3>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>dataframe</td><td>DataFrame</td><td>A DataFrame built from each Data object's fields plus a 'text' column.</td></tr></tbody></table>
|
||
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="filter-data">Filter data<a href="#filter-data" class="hash-link" aria-label="Direct link to Filter data" title="Direct link to Filter data"></a></h2>
|
||
<div class="theme-admonition theme-admonition-important admonition_xJq3 alert alert--info"><div class="admonitionHeading_Gvgb"><span class="admonitionIcon_Rf37"><svg viewBox="0 0 14 16"><path fill-rule="evenodd" d="M7 2.3c3.14 0 5.7 2.56 5.7 5.7s-2.56 5.7-5.7 5.7A5.71 5.71 0 0 1 1.3 8c0-3.14 2.56-5.7 5.7-5.7zM7 1C3.14 1 0 4.14 0 8s3.14 7 7 7 7-3.14 7-7-3.14-7-7-7zm1 3H6v5h2V4zm0 6H6v2h2v-2z"></path></svg></span>important</div><div class="admonitionContent_BuS1"><p>This component is in <strong>Beta</strong> as of Langflow version 1.1.3, and is not yet fully supported.</p></div></div>
|
||
<p>This component filters a <a href="/concepts-objects#data-object">Data</a> object based on a list of keys.</p>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="inputs-4">Inputs<a href="#inputs-4" class="hash-link" aria-label="Direct link to Inputs" title="Direct link to Inputs"></a></h3>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>data</td><td>Data</td><td>Data object to filter.</td></tr><tr><td>filter_criteria</td><td>Filter Criteria</td><td>List of keys to filter by.</td></tr></tbody></table>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="outputs-4">Outputs<a href="#outputs-4" class="hash-link" aria-label="Direct link to Outputs" title="Direct link to Outputs"></a></h3>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>filtered_data</td><td>Filtered Data</td><td>A new <a href="/concepts-objects#data-object">Data</a> object containing only the key-value pairs that match the filter criteria.</td></tr></tbody></table>
|
||
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="filter-values">Filter values<a href="#filter-values" class="hash-link" aria-label="Direct link to Filter values" title="Direct link to Filter values"></a></h2>
|
||
<div class="theme-admonition theme-admonition-important admonition_xJq3 alert alert--info"><div class="admonitionHeading_Gvgb"><span class="admonitionIcon_Rf37"><svg viewBox="0 0 14 16"><path fill-rule="evenodd" d="M7 2.3c3.14 0 5.7 2.56 5.7 5.7s-2.56 5.7-5.7 5.7A5.71 5.71 0 0 1 1.3 8c0-3.14 2.56-5.7 5.7-5.7zM7 1C3.14 1 0 4.14 0 8s3.14 7 7 7 7-3.14 7-7-3.14-7-7-7zm1 3H6v5h2V4zm0 6H6v2h2v-2z"></path></svg></span>important</div><div class="admonitionContent_BuS1"><p>This component is in <strong>Beta</strong> as of Langflow version 1.1.3, and is not yet fully supported.</p></div></div>
|
||
<p>The Filter values component filters a list of data items based on a specified key, filter value, and comparison operator.</p>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="inputs-5">Inputs<a href="#inputs-5" class="hash-link" aria-label="Direct link to Inputs" title="Direct link to Inputs"></a></h3>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>input_data</td><td>Input data</td><td>The list of data items to filter.</td></tr><tr><td>filter_key</td><td>Filter Key</td><td>The key to filter on, for example, 'route'.</td></tr><tr><td>filter_value</td><td>Filter Value</td><td>The value to filter by, for example, 'CMIP'.</td></tr><tr><td>operator</td><td>Comparison Operator</td><td>The operator to apply for comparing the values.</td></tr></tbody></table>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="outputs-5">Outputs<a href="#outputs-5" class="hash-link" aria-label="Direct link to Outputs" title="Direct link to Outputs"></a></h3>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>filtered_data</td><td>Filtered data</td><td>The resulting list of filtered data items.</td></tr></tbody></table>
|
||
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="lambda-filter">Lambda filter<a href="#lambda-filter" class="hash-link" aria-label="Direct link to Lambda filter" title="Direct link to Lambda filter"></a></h2>
|
||
<p>This component uses an LLM to generate a Lambda function for filtering or transforming structured data.</p>
|
||
<p>To use the <strong>Lambda filter</strong> component, you must connect it to a <a href="/components-models#language-model">Language Model</a> component, which the component uses to generate a function based on the natural language instructions in the <strong>Instructions</strong> field.</p>
|
||
<p>This example gets JSON data from the <code>https://jsonplaceholder.typicode.com/users</code> API endpoint.
|
||
The <strong>Instructions</strong> field in the <strong>Lambda filter</strong> component specifies the task <code>extract emails</code>.
|
||
The connected LLM creates a filter based on the instructions, and successfully extracts a list of email addresses from the JSON data.</p>
|
||
<p><img decoding="async" loading="lazy" src="/assets/images/component-lambda-filter-c409acffcea6f80062295f4d8de4e881.png" width="1742" height="1622" class="img_ev3q"></p>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="inputs-6">Inputs<a href="#inputs-6" class="hash-link" aria-label="Direct link to Inputs" title="Direct link to Inputs"></a></h3>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>data</td><td>Data</td><td>The structured data to filter or transform using a Lambda function.</td></tr><tr><td>llm</td><td>Language Model</td><td>The connection port for a <a href="/components-models">Model</a> component.</td></tr><tr><td>filter_instruction</td><td>Instructions</td><td>Natural language instructions for how to filter or transform the data using a Lambda function, such as <code>Filter the data to only include items where the 'status' is 'active'.</code></td></tr><tr><td>sample_size</td><td>Sample Size</td><td>For large datasets, the number of characters to sample from the dataset head and tail.</td></tr><tr><td>max_size</td><td>Max Size</td><td>The number of characters for the data to be considered "large", which triggers sampling by the <code>sample_size</code> value.</td></tr></tbody></table>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="outputs-6">Outputs<a href="#outputs-6" class="hash-link" aria-label="Direct link to Outputs" title="Direct link to Outputs"></a></h3>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>filtered_data</td><td>Filtered Data</td><td>The filtered or transformed <a href="/concepts-objects#data-object">Data object</a>.</td></tr><tr><td>dataframe</td><td>DataFrame</td><td>The filtered data as a <a href="/concepts-objects#dataframe-object">DataFrame</a>.</td></tr></tbody></table>
|
||
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="llm-router">LLM router<a href="#llm-router" class="hash-link" aria-label="Direct link to LLM router" title="Direct link to LLM router"></a></h2>
|
||
<p>This component routes requests to the most appropriate LLM based on OpenRouter model specifications.</p>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="inputs-7">Inputs<a href="#inputs-7" class="hash-link" aria-label="Direct link to Inputs" title="Direct link to Inputs"></a></h3>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>models</td><td>Language Models</td><td>List of LLMs to route between</td></tr><tr><td>input_value</td><td>Input</td><td>The input message to be routed</td></tr><tr><td>judge_llm</td><td>Judge LLM</td><td>LLM that will evaluate and select the most appropriate model</td></tr><tr><td>optimization</td><td>Optimization</td><td>Optimization preference (quality/speed/cost/balanced)</td></tr></tbody></table>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="outputs-7">Outputs<a href="#outputs-7" class="hash-link" aria-label="Direct link to Outputs" title="Direct link to Outputs"></a></h3>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>output</td><td>Output</td><td>The response from the selected model</td></tr><tr><td>selected_model</td><td>Selected Model</td><td>Name of the chosen model</td></tr></tbody></table>
|
||
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="message-to-data">Message to data<a href="#message-to-data" class="hash-link" aria-label="Direct link to Message to data" title="Direct link to Message to data"></a></h2>
|
||
<p>This component converts <a href="/concepts-objects#message-object">Message</a> objects to <a href="/concepts-objects#data-object">Data</a> objects.</p>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="inputs-8">Inputs<a href="#inputs-8" class="hash-link" aria-label="Direct link to Inputs" title="Direct link to Inputs"></a></h3>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>message</td><td>Message</td><td>The <a href="/concepts-objects#message-object">Message</a> object to convert to a <a href="/concepts-objects#data-object">Data</a> object.</td></tr></tbody></table>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="outputs-8">Outputs<a href="#outputs-8" class="hash-link" aria-label="Direct link to Outputs" title="Direct link to Outputs"></a></h3>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>data</td><td>Data</td><td>The converted <a href="/concepts-objects#data-object">Data</a> object.</td></tr></tbody></table>
|
||
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="parser">Parser<a href="#parser" class="hash-link" aria-label="Direct link to Parser" title="Direct link to Parser"></a></h2>
|
||
<p>This component formats <code>DataFrame</code> or <code>Data</code> objects into text using templates, with an option to convert inputs directly to strings using <code>stringify</code>.</p>
|
||
<p>To use this component, create variables for values in the <code>template</code> the same way you would in a <a href="/components-prompts">Prompt</a> component. For <code>DataFrames</code>, use column names, for example <code>Name: {Name}</code>. For <code>Data</code> objects, use <code>{text}</code>.</p>
|
||
<p>To use the <strong>Parser</strong> component with a <strong>Structured Output</strong> component, do the following:</p>
|
||
<ol>
|
||
<li>Connect a <strong>Structured Output</strong> component's <strong>DataFrame</strong> output to the <strong>Parser</strong> component's <strong>DataFrame</strong> input.</li>
|
||
<li>Connect the <strong>File</strong> component to the <strong>Structured Output</strong> component's <strong>Message</strong> input.</li>
|
||
<li>Connect the <strong>OpenAI</strong> model component's <strong>Language Model</strong> output to the <strong>Structured Output</strong> component's <strong>Language Model</strong> input.</li>
|
||
</ol>
|
||
<p>The flow looks like this:</p>
|
||
<p><img decoding="async" loading="lazy" alt="A parser component connected to OpenAI and structured output" src="/assets/images/component-parser-5f97943bbc863cee6b02c74d325a062f.png" width="2300" height="1436" class="img_ev3q"></p>
|
||
<ol start="4">
|
||
<li>In the <strong>Structured Output</strong> component, click <strong>Open Table</strong>.
|
||
This opens a pane for structuring your table.
|
||
The table contains the rows <strong>Name</strong>, <strong>Description</strong>, <strong>Type</strong>, and <strong>Multiple</strong>.</li>
|
||
<li>Create a table that maps to the data you're loading from the <strong>File</strong> loader.
|
||
For example, to create a table for employees, you might have the rows <code>id</code>, <code>name</code>, and <code>email</code>, all of type <code>string</code>.</li>
|
||
<li>In the <strong>Template</strong> field of the <strong>Parser</strong> component, enter a template for parsing the <strong>Structured Output</strong> component's DataFrame output into structured text.
|
||
Create variables for values in the <code>template</code> the same way you would in a <a href="/components-prompts">Prompt</a> component.
|
||
For example, to present a table of employees in Markdown:</li>
|
||
</ol>
|
||
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span># Employee Profile</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>## Personal Information</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>- **Name:** {name}</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>- **ID:** {id}</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>- **Email:** {email}</span></div></div><br></code></div></div>
|
||
<ol start="7">
|
||
<li>To run the flow, in the <strong>Parser</strong> component, click <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-play" aria-label="Play icon"><polygon points="6 3 20 12 6 21 6 3"></polygon></svg>.</li>
|
||
<li>To view your parsed text, in the <strong>Parser</strong> component, click <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-text-search" aria-label="Inspect icon"><path d="M21 6H3"></path><path d="M10 12H3"></path><path d="M10 18H3"></path><circle cx="17" cy="15" r="3"></circle><path d="m21 19-1.9-1.9"></path></svg>.</li>
|
||
<li>Optionally, connect a <strong>Chat Output</strong> component, and open the <strong>Playground</strong> to see the output.</li>
|
||
</ol>
|
||
<p>For an additional example of using the <strong>Parser</strong> component to format a DataFrame from a <strong>Structured Output</strong> component, see the <strong>Market Research</strong> template flow.</p>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="inputs-9">Inputs<a href="#inputs-9" class="hash-link" aria-label="Direct link to Inputs" title="Direct link to Inputs"></a></h3>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>mode</td><td>Mode</td><td>Tab selection between "Parser" and "Stringify" modes. "Stringify" converts input to a string instead of using a template.</td></tr><tr><td>pattern</td><td>Template</td><td>Template for formatting using variables in curly brackets. For DataFrames, use column names, such as <code>Name: {Name}</code>. For Data objects, use <code>{text}</code>.</td></tr><tr><td>input_data</td><td>Data or DataFrame</td><td>The input to parse - accepts either a DataFrame or Data object.</td></tr><tr><td>sep</td><td>Separator</td><td>String used to separate rows/items. Default: newline.</td></tr><tr><td>clean_data</td><td>Clean Data</td><td>When stringify is enabled, cleans data by removing empty rows and lines.</td></tr></tbody></table>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="outputs-9">Outputs<a href="#outputs-9" class="hash-link" aria-label="Direct link to Outputs" title="Direct link to Outputs"></a></h3>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>parsed_text</td><td>Parsed Text</td><td>The resulting formatted text as a <a href="/concepts-objects#message-object">Message</a> object.</td></tr></tbody></table>
|
||
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="split-text">Split text<a href="#split-text" class="hash-link" aria-label="Direct link to Split text" title="Direct link to Split text"></a></h2>
|
||
<p>This component splits text into chunks based on specified criteria. It's ideal for chunking data to be tokenized and embedded into vector databases.</p>
|
||
<p>The <strong>Split Text</strong> component outputs <strong>Chunks</strong> or <strong>DataFrame</strong>.
|
||
The <strong>Chunks</strong> output returns a list of individual text chunks.
|
||
The <strong>DataFrame</strong> output returns a structured data format, with additional <code>text</code> and <code>metadata</code> columns applied.</p>
|
||
<ol>
|
||
<li>To use this component in a flow, connect a component that outputs <a href="/concepts-objects">Data or DataFrame</a> to the <strong>Split Text</strong> component's <strong>Data</strong> port.
|
||
This example uses the <strong>URL</strong> component, which is fetching JSON placeholder data.</li>
|
||
</ol>
|
||
<p><img decoding="async" loading="lazy" alt="Split text component and chroma-db" src="/assets/images/component-split-text-741a1ac37f9a2d6591ead075acc66b65.png" width="2198" height="1626" class="img_ev3q"></p>
|
||
<ol start="2">
|
||
<li>In the <strong>Split Text</strong> component, define your data splitting parameters.</li>
|
||
</ol>
|
||
<p>This example splits incoming JSON data at the separator <code>},</code>, so each chunk contains one JSON object.</p>
|
||
<p>The order of precedence is <strong>Separator</strong>, then <strong>Chunk Size</strong>, and then <strong>Chunk Overlap</strong>.
|
||
If any segment after separator splitting is longer than <code>chunk_size</code>, it is split again to fit within <code>chunk_size</code>.</p>
|
||
<p>After <code>chunk_size</code>, <strong>Chunk Overlap</strong> is applied between chunks to maintain context.</p>
|
||
<ol start="3">
|
||
<li>Connect a <strong>Chat Output</strong> component to the <strong>Split Text</strong> component's <strong>DataFrame</strong> output to view its output.</li>
|
||
<li>Click <strong>Playground</strong>, and then click <strong>Run Flow</strong>.
|
||
The output contains a table of JSON objects split at <code>},</code>.</li>
|
||
</ol>
|
||
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->16</span><div style="display:inline-block;margin-left:16px"><span>{</span></div></div><div><span class="ch-code-line-number">_<!-- -->16</span><div style="display:inline-block;margin-left:16px"><span>"userId": 1,</span></div></div><div><span class="ch-code-line-number">_<!-- -->16</span><div style="display:inline-block;margin-left:16px"><span>"id": 1,</span></div></div><div><span class="ch-code-line-number">_<!-- -->16</span><div style="display:inline-block;margin-left:16px"><span>"title": "Introduction to Artificial Intelligence",</span></div></div><div><span class="ch-code-line-number">_<!-- -->16</span><div style="display:inline-block;margin-left:16px"><span>"body": "Learn the basics of Artificial Intelligence and its applications in various industries.",</span></div></div><div><span class="ch-code-line-number">_<!-- -->16</span><div style="display:inline-block;margin-left:16px"><span>"link": "https://example.com/article1",</span></div></div><div><span class="ch-code-line-number">_<!-- -->16</span><div style="display:inline-block;margin-left:16px"><span>"comment_count": 8</span></div></div><div><span class="ch-code-line-number">_<!-- -->16</span><div style="display:inline-block;margin-left:16px"><span>},</span></div></div><div><span class="ch-code-line-number">_<!-- -->16</span><div style="display:inline-block;margin-left:16px"><span>{</span></div></div><div><span class="ch-code-line-number">_<!-- -->16</span><div style="display:inline-block;margin-left:16px"><span>"userId": 2,</span></div></div><div><span class="ch-code-line-number">_<!-- -->16</span><div style="display:inline-block;margin-left:16px"><span>"id": 2,</span></div></div><div><span class="ch-code-line-number">_<!-- -->16</span><div style="display:inline-block;margin-left:16px"><span>"title": "Web Development with React",</span></div></div><div><span class="ch-code-line-number">_<!-- -->16</span><div style="display:inline-block;margin-left:16px"><span>"body": "Build modern web applications using React.js and explore its powerful features.",</span></div></div><div><span class="ch-code-line-number">_<!-- -->16</span><div style="display:inline-block;margin-left:16px"><span>"link": "https://example.com/article2",</span></div></div><div><span class="ch-code-line-number">_<!-- -->16</span><div style="display:inline-block;margin-left:16px"><span>"comment_count": 12</span></div></div><div><span class="ch-code-line-number">_<!-- -->16</span><div style="display:inline-block;margin-left:16px"><span>},</span></div></div><br></code></div></div>
|
||
<ol start="5">
|
||
<li>Clear the <strong>Separator</strong> field, and then run the flow again.
|
||
Instead of JSON objects, the output contains 50-character lines of text with 10 characters of overlap.</li>
|
||
</ol>
|
||
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>First chunk: "title": "Introduction to Artificial Intelligence""</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>Second chunk: "elligence", "body": "Learn the basics of Artif"</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>Third chunk: "s of Artificial Intelligence and its applications"</span></div></div><br></code></div></div>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="inputs-10">Inputs<a href="#inputs-10" class="hash-link" aria-label="Direct link to Inputs" title="Direct link to Inputs"></a></h3>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>data_inputs</td><td>Input Documents</td><td>The data to split.The component accepts <a href="/concepts-objects#data-object">Data</a> or <a href="/concepts-objects#dataframe-object">DataFrame</a> objects.</td></tr><tr><td>chunk_overlap</td><td>Chunk Overlap</td><td>The number of characters to overlap between chunks. Default: <code>200</code>.</td></tr><tr><td>chunk_size</td><td>Chunk Size</td><td>The maximum number of characters in each chunk. Default: <code>1000</code>.</td></tr><tr><td>separator</td><td>Separator</td><td>The character to split on. Default: <code>newline</code>.</td></tr><tr><td>text_key</td><td>Text Key</td><td>The key to use for the text column (advanced). Default: <code>text</code>.</td></tr></tbody></table>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="outputs-10">Outputs<a href="#outputs-10" class="hash-link" aria-label="Direct link to Outputs" title="Direct link to Outputs"></a></h3>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>chunks</td><td>Chunks</td><td>List of split text chunks as <a href="/concepts-objects#data-object">Data</a> objects.</td></tr><tr><td>dataframe</td><td>DataFrame</td><td>List of split text chunks as <a href="/concepts-objects#dataframe-object">DataFrame</a> objects.</td></tr></tbody></table>
|
||
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="update-data">Update data<a href="#update-data" class="hash-link" aria-label="Direct link to Update data" title="Direct link to Update data"></a></h2>
|
||
<p>This component dynamically updates or appends data with specified fields.</p>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="inputs-11">Inputs<a href="#inputs-11" class="hash-link" aria-label="Direct link to Inputs" title="Direct link to Inputs"></a></h3>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>old_data</td><td>Data</td><td>The records to update</td></tr><tr><td>number_of_fields</td><td>Number of Fields</td><td>Number of fields to add (max 15)</td></tr><tr><td>text_key</td><td>Text Key</td><td>Key for text content</td></tr><tr><td>text_key_validator</td><td>Text Key Validator</td><td>Validates text key presence</td></tr></tbody></table>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="outputs-11">Outputs<a href="#outputs-11" class="hash-link" aria-label="Direct link to Outputs" title="Direct link to Outputs"></a></h3>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>data</td><td>Data</td><td>Updated <a href="/concepts-objects#data-object">Data</a> objects.</td></tr></tbody></table>
|
||
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="legacy-components">Legacy components<a href="#legacy-components" class="hash-link" aria-label="Direct link to Legacy components" title="Direct link to Legacy components"></a></h2>
|
||
<p><strong>Legacy</strong> components are available to use but no longer supported.</p>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="alter-metadata">Alter metadata<a href="#alter-metadata" class="hash-link" aria-label="Direct link to Alter metadata" title="Direct link to Alter metadata"></a></h3>
|
||
<p>This component modifies metadata of input objects. It can add new metadata, update existing metadata, and remove specified metadata fields. The component works with both <a href="/concepts-objects#message-object">Message</a> and <a href="/concepts-objects#data-object">Data</a> objects, and can also create a new Data object from user-provided text.</p>
|
||
<h4 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="inputs-12">Inputs<a href="#inputs-12" class="hash-link" aria-label="Direct link to Inputs" title="Direct link to Inputs"></a></h4>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>input_value</td><td>Input</td><td>Objects to which Metadata should be added</td></tr><tr><td>text_in</td><td>User Text</td><td>Text input; the value will be in the 'text' attribute of the <a href="/concepts-objects#data-object">Data</a> object. Empty text entries are ignored.</td></tr><tr><td>metadata</td><td>Metadata</td><td>Metadata to add to each object</td></tr><tr><td>remove_fields</td><td>Fields to Remove</td><td>Metadata fields to remove</td></tr></tbody></table>
|
||
<h4 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="outputs-12">Outputs<a href="#outputs-12" class="hash-link" aria-label="Direct link to Outputs" title="Direct link to Outputs"></a></h4>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>data</td><td>Data</td><td>List of Input objects, each with added metadata</td></tr></tbody></table>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="create-data">Create data<a href="#create-data" class="hash-link" aria-label="Direct link to Create data" title="Direct link to Create data"></a></h3>
|
||
<div class="theme-admonition theme-admonition-important admonition_xJq3 alert alert--info"><div class="admonitionHeading_Gvgb"><span class="admonitionIcon_Rf37"><svg viewBox="0 0 14 16"><path fill-rule="evenodd" d="M7 2.3c3.14 0 5.7 2.56 5.7 5.7s-2.56 5.7-5.7 5.7A5.71 5.71 0 0 1 1.3 8c0-3.14 2.56-5.7 5.7-5.7zM7 1C3.14 1 0 4.14 0 8s3.14 7 7 7 7-3.14 7-7-3.14-7-7-7zm1 3H6v5h2V4zm0 6H6v2h2v-2z"></path></svg></span>important</div><div class="admonitionContent_BuS1"><p>This component is in <strong>Legacy</strong>, which means it is no longer in active development as of Langflow version 1.1.3.</p></div></div>
|
||
<p>This component dynamically creates a <a href="/concepts-objects#data-object">Data</a> object with a specified number of fields.</p>
|
||
<h4 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="inputs-13">Inputs<a href="#inputs-13" class="hash-link" aria-label="Direct link to Inputs" title="Direct link to Inputs"></a></h4>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>number_of_fields</td><td>Number of Fields</td><td>The number of fields to be added to the record.</td></tr><tr><td>text_key</td><td>Text Key</td><td>Key that identifies the field to be used as the text content.</td></tr><tr><td>text_key_validator</td><td>Text Key Validator</td><td>If enabled, checks if the given <code>Text Key</code> is present in the given <code>Data</code>.</td></tr></tbody></table>
|
||
<h4 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="outputs-13">Outputs<a href="#outputs-13" class="hash-link" aria-label="Direct link to Outputs" title="Direct link to Outputs"></a></h4>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>data</td><td>Data</td><td>A <a href="/concepts-objects#data-object">Data</a> object created with the specified fields and text key.</td></tr></tbody></table>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="data-to-message">Data to message<a href="#data-to-message" class="hash-link" aria-label="Direct link to Data to message" title="Direct link to Data to message"></a></h3>
|
||
<div class="theme-admonition theme-admonition-important admonition_xJq3 alert alert--info"><div class="admonitionHeading_Gvgb"><span class="admonitionIcon_Rf37"><svg viewBox="0 0 14 16"><path fill-rule="evenodd" d="M7 2.3c3.14 0 5.7 2.56 5.7 5.7s-2.56 5.7-5.7 5.7A5.71 5.71 0 0 1 1.3 8c0-3.14 2.56-5.7 5.7-5.7zM7 1C3.14 1 0 4.14 0 8s3.14 7 7 7 7-3.14 7-7-3.14-7-7-7zm1 3H6v5h2V4zm0 6H6v2h2v-2z"></path></svg></span>important</div><div class="admonitionContent_BuS1"><p>This component is in <strong>Legacy</strong>, which means it is no longer in active development as of Langflow version 1.3.
|
||
Instead, use the <a href="#parser">Parser</a> component.</p></div></div>
|
||
<div class="theme-admonition theme-admonition-important admonition_xJq3 alert alert--info"><div class="admonitionHeading_Gvgb"><span class="admonitionIcon_Rf37"><svg viewBox="0 0 14 16"><path fill-rule="evenodd" d="M7 2.3c3.14 0 5.7 2.56 5.7 5.7s-2.56 5.7-5.7 5.7A5.71 5.71 0 0 1 1.3 8c0-3.14 2.56-5.7 5.7-5.7zM7 1C3.14 1 0 4.14 0 8s3.14 7 7 7 7-3.14 7-7-3.14-7-7-7zm1 3H6v5h2V4zm0 6H6v2h2v-2z"></path></svg></span>important</div><div class="admonitionContent_BuS1"><p>Prior to Langflow version 1.1.3, this component was named <strong>Parse Data</strong>.</p></div></div>
|
||
<p>The ParseData component converts data objects into plain text using a specified template.
|
||
This component transforms structured data into human-readable text formats, allowing for customizable output through the use of templates.</p>
|
||
<h4 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="inputs-14">Inputs<a href="#inputs-14" class="hash-link" aria-label="Direct link to Inputs" title="Direct link to Inputs"></a></h4>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>data</td><td>Data</td><td>The data to convert to text.</td></tr><tr><td>template</td><td>Template</td><td>The template to use for formatting the data. It can contain the keys <code>{text}</code>, <code>{data}</code>, or any other key in the data.</td></tr><tr><td>sep</td><td>Separator</td><td>The separator to use between multiple data items.</td></tr></tbody></table>
|
||
<h4 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="outputs-14">Outputs<a href="#outputs-14" class="hash-link" aria-label="Direct link to Outputs" title="Direct link to Outputs"></a></h4>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>text</td><td>Text</td><td>The resulting formatted text string as a <a href="/concepts-objects#message-object">Message</a> object.</td></tr></tbody></table>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="parse-dataframe">Parse DataFrame<a href="#parse-dataframe" class="hash-link" aria-label="Direct link to Parse DataFrame" title="Direct link to Parse DataFrame"></a></h3>
|
||
<div class="theme-admonition theme-admonition-important admonition_xJq3 alert alert--info"><div class="admonitionHeading_Gvgb"><span class="admonitionIcon_Rf37"><svg viewBox="0 0 14 16"><path fill-rule="evenodd" d="M7 2.3c3.14 0 5.7 2.56 5.7 5.7s-2.56 5.7-5.7 5.7A5.71 5.71 0 0 1 1.3 8c0-3.14 2.56-5.7 5.7-5.7zM7 1C3.14 1 0 4.14 0 8s3.14 7 7 7 7-3.14 7-7-3.14-7-7-7zm1 3H6v5h2V4zm0 6H6v2h2v-2z"></path></svg></span>important</div><div class="admonitionContent_BuS1"><p>This component is in <strong>Legacy</strong>, which means it is no longer in active development as of Langflow version 1.3.
|
||
Instead, use the <a href="#parser">Parser</a> component.</p></div></div>
|
||
<p>This component converts DataFrames into plain text using templates.</p>
|
||
<h4 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="inputs-15">Inputs<a href="#inputs-15" class="hash-link" aria-label="Direct link to Inputs" title="Direct link to Inputs"></a></h4>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>df</td><td>DataFrame</td><td>The DataFrame to convert to text rows.</td></tr><tr><td>template</td><td>Template</td><td>Template for formatting (use <code>{column_name}</code> placeholders).</td></tr><tr><td>sep</td><td>Separator</td><td>String to join rows in output.</td></tr></tbody></table>
|
||
<h4 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="outputs-15">Outputs<a href="#outputs-15" class="hash-link" aria-label="Direct link to Outputs" title="Direct link to Outputs"></a></h4>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>text</td><td>Text</td><td>All rows combined into single text.</td></tr></tbody></table>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="parse-json">Parse JSON<a href="#parse-json" class="hash-link" aria-label="Direct link to Parse JSON" title="Direct link to Parse JSON"></a></h3>
|
||
<div class="theme-admonition theme-admonition-important admonition_xJq3 alert alert--info"><div class="admonitionHeading_Gvgb"><span class="admonitionIcon_Rf37"><svg viewBox="0 0 14 16"><path fill-rule="evenodd" d="M7 2.3c3.14 0 5.7 2.56 5.7 5.7s-2.56 5.7-5.7 5.7A5.71 5.71 0 0 1 1.3 8c0-3.14 2.56-5.7 5.7-5.7zM7 1C3.14 1 0 4.14 0 8s3.14 7 7 7 7-3.14 7-7-3.14-7-7-7zm1 3H6v5h2V4zm0 6H6v2h2v-2z"></path></svg></span>important</div><div class="admonitionContent_BuS1"><p>This component is in <strong>Legacy</strong>, which means it is no longer in active development as of Langflow version 1.1.3.</p></div></div>
|
||
<p>This component converts and extracts JSON fields using JQ queries.</p>
|
||
<h4 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="inputs-16">Inputs<a href="#inputs-16" class="hash-link" aria-label="Direct link to Inputs" title="Direct link to Inputs"></a></h4>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>input_value</td><td>Input</td><td>Data object to filter (<a href="/concepts-objects#message-object">Message</a> or <a href="/concepts-objects#data-object">Data</a>).</td></tr><tr><td>query</td><td>JQ Query</td><td>JQ Query to filter the data</td></tr></tbody></table>
|
||
<h4 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="outputs-16">Outputs<a href="#outputs-16" class="hash-link" aria-label="Direct link to Outputs" title="Direct link to Outputs"></a></h4>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>filtered_data</td><td>Filtered Data</td><td>Filtered data as list of <a href="/concepts-objects#data-object">Data</a> objects.</td></tr></tbody></table>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="select-data">Select data<a href="#select-data" class="hash-link" aria-label="Direct link to Select data" title="Direct link to Select data"></a></h3>
|
||
<div class="theme-admonition theme-admonition-important admonition_xJq3 alert alert--info"><div class="admonitionHeading_Gvgb"><span class="admonitionIcon_Rf37"><svg viewBox="0 0 14 16"><path fill-rule="evenodd" d="M7 2.3c3.14 0 5.7 2.56 5.7 5.7s-2.56 5.7-5.7 5.7A5.71 5.71 0 0 1 1.3 8c0-3.14 2.56-5.7 5.7-5.7zM7 1C3.14 1 0 4.14 0 8s3.14 7 7 7 7-3.14 7-7-3.14-7-7-7zm1 3H6v5h2V4zm0 6H6v2h2v-2z"></path></svg></span>important</div><div class="admonitionContent_BuS1"><p>This component is in <strong>Legacy</strong>, which means it is no longer in active development as of Langflow version 1.1.3.</p></div></div>
|
||
<p>This component selects a single <a href="/concepts-objects#data-object">Data</a> item from a list.</p>
|
||
<h4 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="inputs-17">Inputs<a href="#inputs-17" class="hash-link" aria-label="Direct link to Inputs" title="Direct link to Inputs"></a></h4>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>data_list</td><td>Data List</td><td>List of data to select from</td></tr><tr><td>data_index</td><td>Data Index</td><td>Index of the data to select</td></tr></tbody></table>
|
||
<h4 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="outputs-17">Outputs<a href="#outputs-17" class="hash-link" aria-label="Direct link to Outputs" title="Direct link to Outputs"></a></h4>
|
||
<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>selected_data</td><td>Selected Data</td><td>The selected <a href="/concepts-objects#data-object">Data</a> object.</td></tr></tbody></table></div></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages"><a class="pagination-nav__link pagination-nav__link--prev" href="/components-models"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">Models</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/components-prompts"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">Prompts</div></a></nav></div></div><div class="col col--3"><div class="tableOfContents_bqdL thin-scrollbar theme-doc-toc-desktop"><ul class="table-of-contents table-of-contents__left-border"><li><a href="#use-a-processing-component-in-a-flow" class="table-of-contents__link toc-highlight">Use a processing component in a flow</a></li><li><a href="#combine-data" class="table-of-contents__link toc-highlight">Combine data</a><ul><li><a href="#inputs" class="table-of-contents__link toc-highlight">Inputs</a></li><li><a href="#outputs" class="table-of-contents__link toc-highlight">Outputs</a></li></ul></li><li><a href="#combine-text" class="table-of-contents__link toc-highlight">Combine text</a><ul><li><a href="#inputs-1" class="table-of-contents__link toc-highlight">Inputs</a></li><li><a href="#outputs-1" class="table-of-contents__link toc-highlight">Outputs</a></li></ul></li><li><a href="#dataframe-operations" class="table-of-contents__link toc-highlight">DataFrame operations</a><ul><li><a href="#operations" class="table-of-contents__link toc-highlight">Operations</a></li><li><a href="#inputs-2" class="table-of-contents__link toc-highlight">Inputs</a></li><li><a href="#outputs-2" class="table-of-contents__link toc-highlight">Outputs</a></li></ul></li><li><a href="#data-to-dataframe" class="table-of-contents__link toc-highlight">Data to DataFrame</a><ul><li><a href="#inputs-3" class="table-of-contents__link toc-highlight">Inputs</a></li><li><a href="#outputs-3" class="table-of-contents__link toc-highlight">Outputs</a></li></ul></li><li><a href="#filter-data" class="table-of-contents__link toc-highlight">Filter data</a><ul><li><a href="#inputs-4" class="table-of-contents__link toc-highlight">Inputs</a></li><li><a href="#outputs-4" class="table-of-contents__link toc-highlight">Outputs</a></li></ul></li><li><a href="#filter-values" class="table-of-contents__link toc-highlight">Filter values</a><ul><li><a href="#inputs-5" class="table-of-contents__link toc-highlight">Inputs</a></li><li><a href="#outputs-5" class="table-of-contents__link toc-highlight">Outputs</a></li></ul></li><li><a href="#lambda-filter" class="table-of-contents__link toc-highlight">Lambda filter</a><ul><li><a href="#inputs-6" class="table-of-contents__link toc-highlight">Inputs</a></li><li><a href="#outputs-6" class="table-of-contents__link toc-highlight">Outputs</a></li></ul></li><li><a href="#llm-router" class="table-of-contents__link toc-highlight">LLM router</a><ul><li><a href="#inputs-7" class="table-of-contents__link toc-highlight">Inputs</a></li><li><a href="#outputs-7" class="table-of-contents__link toc-highlight">Outputs</a></li></ul></li><li><a href="#message-to-data" class="table-of-contents__link toc-highlight">Message to data</a><ul><li><a href="#inputs-8" class="table-of-contents__link toc-highlight">Inputs</a></li><li><a href="#outputs-8" class="table-of-contents__link toc-highlight">Outputs</a></li></ul></li><li><a href="#parser" class="table-of-contents__link toc-highlight">Parser</a><ul><li><a href="#inputs-9" class="table-of-contents__link toc-highlight">Inputs</a></li><li><a href="#outputs-9" class="table-of-contents__link toc-highlight">Outputs</a></li></ul></li><li><a href="#split-text" class="table-of-contents__link toc-highlight">Split text</a><ul><li><a href="#inputs-10" class="table-of-contents__link toc-highlight">Inputs</a></li><li><a href="#outputs-10" class="table-of-contents__link toc-highlight">Outputs</a></li></ul></li><li><a href="#update-data" class="table-of-contents__link toc-highlight">Update data</a><ul><li><a href="#inputs-11" class="table-of-contents__link toc-highlight">Inputs</a></li><li><a href="#outputs-11" class="table-of-contents__link toc-highlight">Outputs</a></li></ul></li><li><a href="#legacy-components" class="table-of-contents__link toc-highlight">Legacy components</a><ul><li><a href="#alter-metadata" class="table-of-contents__link toc-highlight">Alter metadata</a></li><li><a href="#create-data" class="table-of-contents__link toc-highlight">Create data</a></li><li><a href="#data-to-message" class="table-of-contents__link toc-highlight">Data to message</a></li><li><a href="#parse-dataframe" class="table-of-contents__link toc-highlight">Parse DataFrame</a></li><li><a href="#parse-json" class="table-of-contents__link toc-highlight">Parse JSON</a></li><li><a href="#select-data" class="table-of-contents__link toc-highlight">Select data</a></li></ul></li></ul></div></div></div></div></main></div></div></div><footer class="footer"><div class="container container-fluid"><div class="row footer__links"><div class="col footer__col"><div class="footer__title"></div><ul class="footer__items clean-list"><li class="footer__item"><div class="footer-links">
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<span id="preferenceCenterContainer"> · <a href="/cookies">Manage Privacy Choices</a></span>
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