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<title data-rh="true">Inputs & Outputs | Langflow Documentation</title><meta data-rh="true" name="viewport" content="width=device-width,initial-scale=1"><meta data-rh="true" name="twitter:card" content="summary_large_image"><meta data-rh="true" property="og:url" content="https://langflow-ai.github.io/components-io"><meta data-rh="true" property="og:locale" content="en"><meta data-rh="true" name="docusaurus_locale" content="en"><meta data-rh="true" name="docsearch:language" content="en"><meta data-rh="true" name="docusaurus_version" content="current"><meta data-rh="true" name="docusaurus_tag" content="docs-default-current"><meta data-rh="true" name="docsearch:version" content="current"><meta data-rh="true" name="docsearch:docusaurus_tag" content="docs-default-current"><meta data-rh="true" property="og:title" content="Inputs & Outputs | Langflow Documentation"><meta data-rh="true" name="description" content="Inputs and Outputs are a category of components that are used to define where data comes in and out of your flow. They also dynamically change the Playground and can be renamed to facilitate building and maintaining your flows."><meta data-rh="true" property="og:description" content="Inputs and Outputs are a category of components that are used to define where data comes in and out of your flow. They also dynamically change the Playground and can be renamed to facilitate building and maintaining your flows."><link data-rh="true" rel="icon" href="/img/favicon.ico"><link data-rh="true" rel="canonical" href="https://langflow-ai.github.io/components-io"><link data-rh="true" rel="alternate" href="https://langflow-ai.github.io/components-io" hreflang="en"><link data-rh="true" rel="alternate" href="https://langflow-ai.github.io/components-io" hreflang="x-default"><link rel="preconnect" href="https://www.google-analytics.com">
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itemprop="name">Components</span></a><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">Inputs & Outputs</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>Inputs & Outputs</h1></header><p>Inputs and Outputs are a category of components that are used to define where data comes in and out of your flow. They also dynamically change the Playground and can be renamed to facilitate building and maintaining your flows.</p>
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<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="6b1421ec66994d5ebe9fcce000829328">Inputs<a class="hash-link" aria-label="Direct link to Inputs" title="Direct link to Inputs" href="/components-io#6b1421ec66994d5ebe9fcce000829328"></a></h2>
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<hr>
|
||
<p>Inputs are components used to define where data enters your flow. They can receive data from the user, a database, or any other source that can be converted to Text or Data.</p>
|
||
<p>The difference between Chat Input and other Input components is the output format, the number of configurable fields, and the way they are displayed in the Playground.</p>
|
||
<p>Chat Input components can output <code>Text</code> or <code>Data</code>. When you want to pass the sender name or sender to the next component, use the <code>Data</code> output. To pass only the message, use the <code>Text</code> output, useful when saving the message to a database or memory system like Zep.</p>
|
||
<p>You can find out more about Chat Input and other Inputs <a href="/components-io">here</a>.</p>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="2a5f02262f364f8fb75bcfa246e7bb26">Chat Input<a class="hash-link" aria-label="Direct link to Chat Input" title="Direct link to Chat Input" href="/components-io#2a5f02262f364f8fb75bcfa246e7bb26"></a></h3>
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<hr>
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||
<p>This component collects user input from the chat.</p>
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<p><strong>Parameters</strong></p>
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||
<ul>
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||
<li><strong>Sender Type:</strong> Specifies the sender type. Defaults to <code>User</code>. Options are <code>Machine</code> and <code>User</code>.</li>
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||
<li><strong>Sender Name:</strong> Specifies the name of the sender. Defaults to <code>User</code>.</li>
|
||
<li><strong>Message:</strong> Specifies the message text. It is a multiline text input.</li>
|
||
<li><strong>Session ID:</strong> Specifies the session ID of the chat history. If provided, the message will be saved in the Message History.</li>
|
||
</ul>
|
||
<p>NOTE</p>
|
||
<p>If <code>As Data</code> is <code>true</code> and the <code>Message</code> is a <code>Data</code>, the data of the <code>Data</code> will be updated with the <code>Sender</code>, <code>Sender Name</code>, and <code>Session ID</code>.</p>
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||
<p>One significant capability of the Chat Input component is its ability to transform the Playground into a chat window. This feature is particularly valuable for scenarios requiring user input to initiate or influence the flow.</p>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="260aef3726834896b496b56cdefb6d4a">Text Input<a class="hash-link" aria-label="Direct link to Text Input" title="Direct link to Text Input" href="/components-io#260aef3726834896b496b56cdefb6d4a"></a></h3>
|
||
<hr>
|
||
<p>The <strong>Text Input</strong> component adds an <strong>Input</strong> field on the Playground. This enables you to define parameters while running and testing your flow.</p>
|
||
<p><strong>Parameters</strong></p>
|
||
<ul>
|
||
<li><strong>Value:</strong> Specifies the text input value. This is where the user inputs text data that will be passed to the next component in the sequence. If no value is provided, it defaults to an empty string.</li>
|
||
<li><strong>Data Template:</strong> Specifies how a <code>Data</code> should be converted into <code>Text</code>.</li>
|
||
</ul>
|
||
<p>The <strong>Data Template</strong> field is used to specify how a <code>Data</code> should be converted into <code>Text</code>. This is particularly useful when you want to extract specific information from a <code>Data</code> and pass it as text to the next component in the sequence.</p>
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||
<p>For example, if you have a <code>Data</code> with the following structure:</p>
|
||
<p><code>{ "name": "John Doe", "age": 30, "email": "johndoe@email.com"}</code></p>
|
||
<p>A template with <code>Name: {name}, Age: {age}</code> will convert the <code>Data</code> into a text string of <code>Name: John Doe, Age: 30</code>.</p>
|
||
<p>If you pass more than one <code>Data</code>, the text will be concatenated with a new line separator.</p>
|
||
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="f62c5ad37a6f45a39b463c9b35ce7842">Outputs<a class="hash-link" aria-label="Direct link to Outputs" title="Direct link to Outputs" href="/components-io#f62c5ad37a6f45a39b463c9b35ce7842"></a></h2>
|
||
<hr>
|
||
<p>Outputs are components that are used to define where data comes out of your flow. They can be used to send data to the user, to the Playground, or to define how the data will be displayed in the Playground.</p>
|
||
<p>The Chat Output works similarly to the Chat Input but does not have a field that allows for written input. It is used as an Output definition and can be used to send data to the user.</p>
|
||
<p>You can find out more about it and the other Outputs <a href="/components-io">here</a>.</p>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="1edd49b72781432ea29d70acbda4e7e7">Chat Output<a class="hash-link" aria-label="Direct link to Chat Output" title="Direct link to Chat Output" href="/components-io#1edd49b72781432ea29d70acbda4e7e7"></a></h3>
|
||
<hr>
|
||
<p>This component sends a message to the chat.</p>
|
||
<p><strong>Parameters</strong></p>
|
||
<ul>
|
||
<li><strong>Sender Type:</strong> Specifies the sender type. Default is <code>"Machine"</code>. Options are <code>"Machine"</code> and <code>"User"</code>.</li>
|
||
<li><strong>Sender Name:</strong> Specifies the sender's name. Default is <code>"AI"</code>.</li>
|
||
<li><strong>Session ID:</strong> Specifies the session ID of the chat history. If provided, messages are saved in the Message History.</li>
|
||
<li><strong>Message:</strong> Specifies the text of the message.</li>
|
||
</ul>
|
||
<p>NOTE</p>
|
||
<p>If <code>As Data</code> is <code>true</code> and the <code>Message</code> is a <code>Data</code>, the data in the <code>Data</code> is updated with the <code>Sender</code>, <code>Sender Name</code>, and <code>Session ID</code>.</p>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="b607000bc0c5402db0433c1a7d734d01">Text Output<a class="hash-link" aria-label="Direct link to Text Output" title="Direct link to Text Output" href="/components-io#b607000bc0c5402db0433c1a7d734d01"></a></h3>
|
||
<hr>
|
||
<p>This component displays text data to the user. It is useful when you want to show text without sending it to the chat.</p>
|
||
<p><strong>Parameters</strong></p>
|
||
<ul>
|
||
<li><strong>Value:</strong> Specifies the text data to be displayed. Defaults to an empty string.</li>
|
||
</ul>
|
||
<p>The <code>TextOutput</code> component provides a simple way to display text data. It allows textual data to be visible in the chat window during your interaction flow.</p></div></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages"><a class="pagination-nav__link pagination-nav__link--prev" href="/components"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">Intro to Components</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 class="table-of-contents__link toc-highlight" href="/components-io#6b1421ec66994d5ebe9fcce000829328">Inputs</a><ul><li><a class="table-of-contents__link toc-highlight" href="/components-io#2a5f02262f364f8fb75bcfa246e7bb26">Chat Input</a></li><li><a class="table-of-contents__link toc-highlight" href="/components-io#260aef3726834896b496b56cdefb6d4a">Text Input</a></li></ul></li><li><a class="table-of-contents__link toc-highlight" href="/components-io#f62c5ad37a6f45a39b463c9b35ce7842">Outputs</a><ul><li><a class="table-of-contents__link toc-highlight" href="/components-io#1edd49b72781432ea29d70acbda4e7e7">Chat Output</a></li><li><a class="table-of-contents__link toc-highlight" href="/components-io#b607000bc0c5402db0433c1a7d734d01">Text Output</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/chain.png" style="width:40px"></div></div></div><div></div></div></div>
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