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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">Helpers</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>Helpers</h1></header><h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="304dc4a3bea74efb9068093ff18a56ad">Chat memory<a class="hash-link" aria-label="Direct link to Chat memory" title="Direct link to Chat memory" href="/components-helpers#304dc4a3bea74efb9068093ff18a56ad"></a></h2>
<p>This component retrieves stored chat messages based on a specific session ID.</p>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="e0af57d97f844ce99789958161d19767">Parameters<a class="hash-link" aria-label="Direct link to Parameters" title="Direct link to Parameters" href="/components-helpers#e0af57d97f844ce99789958161d19767"></a></h3>
<ul>
<li><strong>Sender type:</strong> Choose the sender type from options like &quot;Machine&quot;, &quot;User&quot;, or &quot;Both&quot;.</li>
<li><strong>Sender name:</strong> (Optional) The name of the sender.</li>
<li><strong>Number of messages:</strong> Number of messages to retrieve.</li>
<li><strong>Session ID:</strong> The session ID of the chat history.</li>
<li><strong>Order:</strong> Choose the message order, either &quot;Ascending&quot; or &quot;Descending&quot;.</li>
<li><strong>Data template:</strong> (Optional) Template to convert a record to text. If left empty, the system dynamically sets it to the record&#x27;s text key.</li>
</ul>
<hr>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="13443183e6054d0694d65f8df08833d5">Combine text<a class="hash-link" aria-label="Direct link to Combine text" title="Direct link to Combine text" href="/components-helpers#13443183e6054d0694d65f8df08833d5"></a></h3>
<p>This component concatenates two text sources into a single text chunk using a specified delimiter.</p>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="246676d119604fc5bf1be85fe93044aa">Parameters<a class="hash-link" aria-label="Direct link to Parameters" title="Direct link to Parameters" href="/components-helpers#246676d119604fc5bf1be85fe93044aa"></a></h3>
<ul>
<li><strong>First text:</strong> The first text input to concatenate.</li>
<li><strong>Second text:</strong> The second text input to concatenate.</li>
<li><strong>Delimiter:</strong> A string used to separate the two text inputs. Defaults to a space.</li>
</ul>
<hr>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="506f43345854473b8199631bf68a3b4a">Create record<a class="hash-link" aria-label="Direct link to Create record" title="Direct link to Create record" href="/components-helpers#506f43345854473b8199631bf68a3b4a"></a></h3>
<p>This component dynamically creates a record with a specified number of fields.</p>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="08735e90bd10406695771bad8a95976a">Parameters<a class="hash-link" aria-label="Direct link to Parameters" title="Direct link to Parameters" href="/components-helpers#08735e90bd10406695771bad8a95976a"></a></h3>
<ul>
<li><strong>Number of fields:</strong> Number of fields to be added to the record.</li>
<li><strong>Text key:</strong> Key used as text.</li>
</ul>
<hr>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="cda421d4bccb4e7db2e48615884ed753">Custom component<a class="hash-link" aria-label="Direct link to Custom component" title="Direct link to Custom component" href="/components-helpers#cda421d4bccb4e7db2e48615884ed753"></a></h3>
<p>Use this component as a template to create your custom component.</p>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="04f9eb5e6da4431593a5bee8831f2327">Parameters<a class="hash-link" aria-label="Direct link to Parameters" title="Direct link to Parameters" href="/components-helpers#04f9eb5e6da4431593a5bee8831f2327"></a></h3>
<ul>
<li><strong>Parameter:</strong> Describe the purpose of this parameter.</li>
</ul>
<p>INFO</p>
<p>Customize the <code>build_config</code> and <code>build</code> methods according to your requirements.</p>
<p>Learn more about creating custom components at <a href="http://docs.langflow.org/components/custom" target="_blank" rel="noopener noreferrer">Custom Component</a>.</p>
<hr>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="53a6a99a54f0435e9209169cf7730c55">Documents to Data<a class="hash-link" aria-label="Direct link to Documents to Data" title="Direct link to Documents to Data" href="/components-helpers#53a6a99a54f0435e9209169cf7730c55"></a></h3>
<p>Convert LangChain documents into Data.</p>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="0eb5fce528774c2db4a3677973e75cf8">Parameters<a class="hash-link" aria-label="Direct link to Parameters" title="Direct link to Parameters" href="/components-helpers#0eb5fce528774c2db4a3677973e75cf8"></a></h3>
<ul>
<li><strong>Documents:</strong> Documents to be converted into Data.</li>
</ul>
<hr>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="4a8fbfb95ebe44ee8718725546db5393">ID generator<a class="hash-link" aria-label="Direct link to ID generator" title="Direct link to ID generator" href="/components-helpers#4a8fbfb95ebe44ee8718725546db5393"></a></h3>
<p>Generates a unique ID.</p>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="4629dd15594c47399c97d9511060e114">Parameters<a class="hash-link" aria-label="Direct link to Parameters" title="Direct link to Parameters" href="/components-helpers#4629dd15594c47399c97d9511060e114"></a></h3>
<ul>
<li><strong>Value:</strong> Unique ID generated.</li>
</ul>
<hr>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="6a1a60688641490197c6443df573960e">Message history<a class="hash-link" aria-label="Direct link to Message history" title="Direct link to Message history" href="/components-helpers#6a1a60688641490197c6443df573960e"></a></h3>
<p>Retrieves stored chat messages based on a specific session ID.</p>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="31c7fc2a3e8c4f7c89f923e700f4ea34">Parameters<a class="hash-link" aria-label="Direct link to Parameters" title="Direct link to Parameters" href="/components-helpers#31c7fc2a3e8c4f7c89f923e700f4ea34"></a></h3>
<ul>
<li><strong>Sender type:</strong> Options for the sender type.</li>
<li><strong>Sender name:</strong> Sender name.</li>
<li><strong>Number of messages:</strong> Number of messages to retrieve.</li>
<li><strong>Session ID:</strong> Session ID of the chat history.</li>
<li><strong>Order:</strong> Order of the messages.</li>
</ul>
<hr>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="f60ab5bbc0db4b27b427897eba97fe29">Data to text<a class="hash-link" aria-label="Direct link to Data to text" title="Direct link to Data to text" href="/components-helpers#f60ab5bbc0db4b27b427897eba97fe29"></a></h3>
<p>Convert Data into plain text following a specified template.</p>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="01b91376569149a49cfcfd9321323688">Parameters<a class="hash-link" aria-label="Direct link to Parameters" title="Direct link to Parameters" href="/components-helpers#01b91376569149a49cfcfd9321323688"></a></h3>
<ul>
<li><strong>Data:</strong> The Data to convert to text.</li>
<li><strong>Template:</strong> The template used for formatting the Data. It can contain keys like <code>{text}</code>, <code>{data}</code>, or any other key in the record.</li>
</ul>
<hr>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="210be0ae518d411695d6caafdd7700eb">Split text<a class="hash-link" aria-label="Direct link to Split text" title="Direct link to Split text" href="/components-helpers#210be0ae518d411695d6caafdd7700eb"></a></h3>
<p>Split text into chunks of a specified length.</p>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="04197fcd05e64e10b189de1171a32682">Parameters<a class="hash-link" aria-label="Direct link to Parameters" title="Direct link to Parameters" href="/components-helpers#04197fcd05e64e10b189de1171a32682"></a></h3>
<ul>
<li><strong>Texts:</strong> Texts to split.</li>
<li><strong>Separators:</strong> Characters to split on. Defaults to a space.</li>
<li><strong>Max chunk size:</strong> The maximum length (in characters) of each chunk.</li>
<li><strong>Chunk overlap:</strong> The amount of character overlap between chunks.</li>
<li><strong>Recursive:</strong> Whether to split recursively.</li>
</ul>
<hr>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="d3b6116dfd8d4af080ad01bc8fd2b0b3">Update record<a class="hash-link" aria-label="Direct link to Update record" title="Direct link to Update record" href="/components-helpers#d3b6116dfd8d4af080ad01bc8fd2b0b3"></a></h3>
<p>Update a record with text-based key/value pairs, similar to updating a Python dictionary.</p>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="c830224edc1d486aaaa5e2889f4f6689">Parameters<a class="hash-link" aria-label="Direct link to Parameters" title="Direct link to Parameters" href="/components-helpers#c830224edc1d486aaaa5e2889f4f6689"></a></h3>
<ul>
<li><strong>Data:</strong> The record to update.</li>
<li><strong>New data:</strong> The new data to update the record with.</li>
</ul></div></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages"><a class="pagination-nav__link pagination-nav__link--prev" href="/components-data"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">Data</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/components-models"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">Models</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-helpers#304dc4a3bea74efb9068093ff18a56ad">Chat memory</a><ul><li><a class="table-of-contents__link toc-highlight" href="/components-helpers#e0af57d97f844ce99789958161d19767">Parameters</a></li><li><a class="table-of-contents__link toc-highlight" href="/components-helpers#13443183e6054d0694d65f8df08833d5">Combine text</a></li><li><a class="table-of-contents__link toc-highlight" href="/components-helpers#246676d119604fc5bf1be85fe93044aa">Parameters</a></li><li><a class="table-of-contents__link toc-highlight" href="/components-helpers#506f43345854473b8199631bf68a3b4a">Create record</a></li><li><a class="table-of-contents__link toc-highlight" href="/components-helpers#08735e90bd10406695771bad8a95976a">Parameters</a></li><li><a class="table-of-contents__link toc-highlight" href="/components-helpers#cda421d4bccb4e7db2e48615884ed753">Custom component</a></li><li><a class="table-of-contents__link toc-highlight" href="/components-helpers#04f9eb5e6da4431593a5bee8831f2327">Parameters</a></li><li><a class="table-of-contents__link toc-highlight" href="/components-helpers#53a6a99a54f0435e9209169cf7730c55">Documents to Data</a></li><li><a class="table-of-contents__link toc-highlight" href="/components-helpers#0eb5fce528774c2db4a3677973e75cf8">Parameters</a></li><li><a class="table-of-contents__link toc-highlight" href="/components-helpers#4a8fbfb95ebe44ee8718725546db5393">ID generator</a></li><li><a class="table-of-contents__link toc-highlight" href="/components-helpers#4629dd15594c47399c97d9511060e114">Parameters</a></li><li><a class="table-of-contents__link toc-highlight" href="/components-helpers#6a1a60688641490197c6443df573960e">Message history</a></li><li><a class="table-of-contents__link toc-highlight" href="/components-helpers#31c7fc2a3e8c4f7c89f923e700f4ea34">Parameters</a></li><li><a class="table-of-contents__link toc-highlight" href="/components-helpers#f60ab5bbc0db4b27b427897eba97fe29">Data to text</a></li><li><a class="table-of-contents__link toc-highlight" href="/components-helpers#01b91376569149a49cfcfd9321323688">Parameters</a></li><li><a class="table-of-contents__link toc-highlight" href="/components-helpers#210be0ae518d411695d6caafdd7700eb">Split text</a></li><li><a class="table-of-contents__link toc-highlight" href="/components-helpers#04197fcd05e64e10b189de1171a32682">Parameters</a></li><li><a class="table-of-contents__link toc-highlight" href="/components-helpers#d3b6116dfd8d4af080ad01bc8fd2b0b3">Update record</a></li><li><a class="table-of-contents__link toc-highlight" href="/components-helpers#c830224edc1d486aaaa5e2889f4f6689">Parameters</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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