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class="docItemContainer_Djhp"><article><nav class="theme-doc-breadcrumbs breadcrumbsContainer_Z_bl" aria-label="Breadcrumbs"><ul class="breadcrumbs" itemscope="" itemtype="https://schema.org/BreadcrumbList"><li class="breadcrumbs__item"><a aria-label="Home page" class="breadcrumbs__link" href="/"><svg viewBox="0 0 24 24" class="breadcrumbHomeIcon_YNFT"><path d="M10 19v-5h4v5c0 .55.45 1 1 1h3c.55 0 1-.45 1-1v-7h1.7c.46 0 .68-.57.33-.87L12.67 3.6c-.38-.34-.96-.34-1.34 0l-8.36 7.53c-.34.3-.13.87.33.87H5v7c0 .55.45 1 1 1h3c.55 0 1-.45 1-1z" fill="currentColor"></path></svg></a></li><li class="breadcrumbs__item"><span class="breadcrumbs__link">Components</span><meta itemprop="position" content="1"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">Processing</span><meta itemprop="position" content="2"></li></ul></nav><div class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type="button" class="clean-btn tocCollapsibleButton_TO0P">On this page</button></div><div class="theme-doc-markdown markdown"><header><h1>Processing components in Langflow</h1></header>
<p>Processing components process and transform data within a flow.</p>
<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>
<p>The <strong>Split Text</strong> processing component in this flow splits the incoming <a href="/configuration-objects">data</a> into chunks to be embedded into the vector store component.</p>
<p>The component offers control over chunk size, overlap, and separator, which affect context and granularity in vector store retrieval results.</p>
<p><img decoding="async" loading="lazy" src="/assets/images/vector-store-document-ingestion-8f0d7af458bcbd6d6c39280fa47b1590.png" width="2244" height="1726" class="img_ev3q"></p>
<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>
<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>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>
<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>
<p>This component filters a Data object based on a list of keys.</p>
<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>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">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>filtered_data</td><td>Filtered Data</td><td>A new Data object containing only the key-value pairs that match the filter criteria.</td></tr></tbody></table>
<h2 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></h2>
<p>This component converts and extracts JSON fields using JQ queries.</p>
<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>input_value</td><td>Input</td><td>Data object to filter. Can be a message or data object.</td></tr><tr><td>query</td><td>JQ Query</td><td>JQ Query to filter the data. The input is always a JSON list.</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>filtered_data</td><td>Filtered Data</td><td>Filtered data as a list of data objects.</td></tr></tbody></table>
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="merge-data-component">Merge Data component<a href="#merge-data-component" class="hash-link" aria-label="Direct link to Merge Data component" title="Direct link to Merge Data component">​</a></h2>
<p>This component combines multiple data sources into a single unified Data 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&#x27;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-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</td><td>Data</td><td>A list of data objects to be merged</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>merged_data</td><td>Merged Data</td><td>A single data object containing the combined information from all input data objects</td></tr></tbody></table>
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="parse-data">Parse Data<a href="#parse-data" class="hash-link" aria-label="Direct link to Parse Data" title="Direct link to Parse Data">​</a></h2>
<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>
<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>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>
<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>text</td><td>Text</td><td>The resulting formatted text string as a message 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 of a specified length.</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>texts</td><td>Texts</td><td>Texts to split.</td></tr><tr><td>separators</td><td>Separators</td><td>Characters to split on. Defaults to a space.</td></tr><tr><td>max_chunk_size</td><td>Max Chunk Size</td><td>The maximum length, in characters, of each chunk.</td></tr><tr><td>chunk_overlap</td><td>Chunk Overlap</td><td>The amount of character overlap between chunks.</td></tr><tr><td>recursive</td><td>Recursive</td><td>Whether to split recursively.</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-text" class="table-of-contents__link toc-highlight">Combine Text</a><ul><li><a href="#inputs" class="table-of-contents__link toc-highlight">Inputs</a></li></ul></li><li><a href="#filter-data" class="table-of-contents__link toc-highlight">Filter Data</a><ul><li><a href="#inputs-1" 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="#parse-json" class="table-of-contents__link toc-highlight">Parse JSON</a><ul><li><a href="#inputs-2" 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="#merge-data-component" class="table-of-contents__link toc-highlight">Merge Data component</a><ul><li><a href="#inputs-3" 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="#parse-data" class="table-of-contents__link toc-highlight">Parse Data</a><ul><li><a href="#inputs-4" 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="#split-text" class="table-of-contents__link toc-highlight">Split Text</a><ul><li><a href="#inputs-5" class="table-of-contents__link toc-highlight">Inputs</a></li></ul></li></ul></div></div></div></div></main></div></div></div><div id="ms-floating-button" class="ms-fixed ms-bottom-4 ms-right-8 ms-z-[100] ms-flex ms-flex-col ms-items-end hover:ms-cursor-pointer"><div class="ms-relative ms-mb-4"><div style="background-color:#f6f6f6" class="ms-absolute -ms-bottom-1 ms-right-6 -ms-z-10 ms-h-4 ms-w-4 ms-rotate-45"></div><div style="background-color:#f6f6f6" class="ms-z-10 ms-flex ms-items-center ms-justify-center ms-rounded-lg ms-px-3 ms-py-2"><p style="color:#000000;margin:0" class="ms-text-sm">Hi, how can I help you?</p></div></div><div style="background-color:#f6f6f6" class="ms-flex ms-h-16 ms-w-16 ms-flex-col ms-items-center ms-justify-center ms-self-end ms-rounded-full ms-p-2 ms-transition"><div class="ms-rotate-0 ms-flex ms-h-full ms-w-full ms-transform ms-cursor-pointer ms-items-center ms-justify-center ms-rounded-full ms-transition-all ms-delay-75 ms-duration-100 ms-ease-in-out"><div style="color:#000000;font-size:22px;width:48px;height:48px;margin:0px;padding:0px;display:flex;align-items:center;justify-content:center;text-align:center"><img src="/img/langflow-icon-black-transparent.svg" srcdark="" style="width:40px"></div></div></div><div></div></div></div>
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