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Its previous names include <strong>Lambda Filter</strong> and <strong>Smart Function</strong>.</p>
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<p>The <strong>Smart Transform</strong> component uses an LLM and natural language instructions to generate a Lambda function that can filter or transform <a class="" href="/data-types#json"><code>JSON</code></a>, <a class="" href="/data-types#table"><code>Table</code></a>, or <a class="" href="/data-types#message"><code>Message</code></a> input.
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You must connect this component to a <a class="" href="/components-models">language model component</a>, which is used to generate a function based on the natural language instructions you provide in the <strong>Instructions</strong> parameter.
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The LLM runs the function against the input, and then outputs the results as <a class="" href="/data-types#json"><code>JSON</code></a>, <a class="" href="/data-types#table"><code>Table</code></a>, or <a class="" href="/data-types#message"><code>Message</code></a>.</p>
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<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" role="img" aria-label="Tip icon" focusable="false"><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>Provide brief, clear instructions, focusing on the desired outcome or specific actions, such as <code>Filter the data to only include items where the 'status' is 'active'</code>.
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One sentence or less is preferred because end punctuation, like periods, can cause errors or unexpected behavior.</p><p>If you need to provide more details instructions that aren't directly relevant to the Lambda function, you can input them in the <strong>Language Model</strong> component's <strong>Input</strong> field or through a <strong>Prompt Template</strong> component.</p><p>For the most reliable results, the <strong>Smart Transform</strong> component's output type must match the input type. For example, select <strong>Message</strong> output for <a class="" href="/data-types#message"><code>Message</code></a> input.</p></div></div>
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<p>The following example uses the <strong>API Request</strong> endpoint to pass JSON data from the <code>https://jsonplaceholder.typicode.com/users</code> endpoint to the <strong>Smart Transform</strong> component.
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Then, the <strong>Smart Transform</strong> component passes the data and the instruction <code>extract emails</code> to the attached <strong>Language Model</strong> component.
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From there, the LLM generates a filter function that extracts email addresses from the JSON data, returning the filtered data as chat output.</p>
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<p><img decoding="async" loading="lazy" alt="A small flow using a Smart Transform component to extract data from an API response." src="/assets/images/component-lambda-filter-76cd345c52fa41a59dcfac0205dc3068.png" width="4000" height="1796" class="img_ev3q"></p>
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<h2 class="anchor anchorTargetStickyNavbar_Vzrq" id="smart-transform-parameters">Smart Transform parameters<a href="#smart-transform-parameters" class="hash-link" aria-label="Direct link to Smart Transform parameters" title="Direct link to Smart Transform parameters" translate="no"></a></h2>
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<p>Some parameters are hidden by default in the visual editor.
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You can modify all component parameters through the <a class="" href="/concepts-components#component-inspection-panel">component inspection panel</a> that appears when you select a component.</p>
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<table><thead><tr><th>Name</th><th>Display Name</th><th>Info</th></tr></thead><tbody><tr><td>data</td><td>JSON</td><td>Input parameter. The <a class="" href="/data-types#json"><code>JSON</code></a>, <a class="" href="/data-types#table"><code>Table</code></a>, or <a class="" href="/data-types#message"><code>Message</code></a> input to filter or transform using the generated Lambda function.</td></tr><tr><td>model</td><td>Language Model</td><td>Input parameter. Connect <a class="" href="/data-types#languagemodel"><code>LanguageModel</code></a> output from a <strong>Language Model</strong> component.</td></tr><tr><td>filter_instruction</td><td>Instructions</td><td>Input parameter. The natural language instructions for how to filter or transform the data. The LLM uses these instructions to create a Lambda function.</td></tr><tr><td>sample_size</td><td>Sample Size</td><td>Input parameter. For large datasets, the number of characters to sample from the dataset head and tail. Only applied if the dataset meets or exceeds <code>max_size</code>. Default: <code>1000</code>.</td></tr><tr><td>max_size</td><td>Max Size</td><td>Input parameter. The number of characters for the dataset to be considered large, which triggers sampling by the <code>sample_size</code> value. Default: <code>30000</code>.</td></tr></tbody></table></div></article><nav class="docusaurus-mt-lg pagination-nav" aria-label="Docs pages"><a class="pagination-nav__link pagination-nav__link--prev" href="/smart-router"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">Smart Router</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/structured-output"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">Structured Output</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="#smart-transform-parameters" class="table-of-contents__link toc-highlight">Smart Transform parameters</a></li></ul></div></div></div></div></main></div></div></div><footer class="theme-layout-footer footer"><div class="container container-fluid"><div class="row footer__links"><div class="theme-layout-footer-column 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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