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</li></ul></nav></div></div></aside><main class="docMainContainer_TBSr"><div class="container padding-top--md padding-bottom--lg"><div class="row"><div class="col docItemCol_VOVn"><div class="docItemContainer_Djhp"><article><nav class="theme-doc-breadcrumbs breadcrumbsContainer_Z_bl" aria-label="Breadcrumbs"><ul class="breadcrumbs"><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">Flows</span></li><li class="breadcrumbs__item"><span class="breadcrumbs__link">Flow templates</span></li><li class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link">Financial report parser</span></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>Financial report parser</h1></header><style>[data-ch-theme="github-dark"] { --ch-t-colorScheme: dark;--ch-t-foreground: #c9d1d9;--ch-t-background: #0d1117;--ch-t-lighter-inlineBackground: #0d1117e6;--ch-t-editor-background: #0d1117;--ch-t-editor-foreground: #c9d1d9;--ch-t-editor-lineHighlightBackground: #6e76811a;--ch-t-editor-rangeHighlightBackground: #ffffff0b;--ch-t-editor-infoForeground: #3794FF;--ch-t-editor-selectionBackground: #264F78;--ch-t-focusBorder: #1f6feb;--ch-t-tab-activeBackground: #0d1117;--ch-t-tab-activeForeground: #c9d1d9;--ch-t-tab-inactiveBackground: #010409;--ch-t-tab-inactiveForeground: #8b949e;--ch-t-tab-border: #30363d;--ch-t-tab-activeBorder: #0d1117;--ch-t-editorGroup-border: #30363d;--ch-t-editorGroupHeader-tabsBackground: #010409;--ch-t-editorLineNumber-foreground: #6e7681;--ch-t-input-background: #0d1117;--ch-t-input-foreground: #c9d1d9;--ch-t-input-border: #30363d;--ch-t-icon-foreground: #8b949e;--ch-t-sideBar-background: #010409;--ch-t-sideBar-foreground: #c9d1d9;--ch-t-sideBar-border: #30363d;--ch-t-list-activeSelectionBackground: #6e768166;--ch-t-list-activeSelectionForeground: #c9d1d9;--ch-t-list-hoverBackground: #6e76811a;--ch-t-list-hoverForeground: #c9d1d9; }</style>
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<!-- -->
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<p>This flow demonstrates how to parse LLM responses into a structured format.</p>
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<p>In this example, the <a href="/components-io#chat-input">Chat Input</a> component is pre-loaded with a sample financial report to demonstrate extracting <code>Gross Profit</code>, <code>EBITDA</code>, and <code>Net Income</code>.
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The <a href="/components-processing#structured-output">Structured output</a> component is used to extract the financial data from the report, and the <a href="/components-processing#parser">Parser</a> component is used to convert the extracted data into a structured format.</p>
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<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="prerequisites">Prerequisites<a href="#prerequisites" class="hash-link" aria-label="Direct link to Prerequisites" title="Direct link to Prerequisites"></a></h2>
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<ul>
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<li><a href="/get-started-installation">Install and start Langflow</a></li>
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<li>Create an <a href="https://platform.openai.com/api-keys" target="_blank" rel="noopener noreferrer">OpenAI API key</a></li>
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</ul>
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<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="create-the-financial-report-parser-flow">Create the financial report parser flow<a href="#create-the-financial-report-parser-flow" class="hash-link" aria-label="Direct link to Create the financial report parser flow" title="Direct link to Create the financial report parser flow"></a></h2>
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<ol>
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<li>From the Langflow dashboard, click <strong>New Flow</strong>.</li>
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<li>Select <strong>Financial Report Parser</strong>.</li>
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</ol>
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<p>The <strong>Financial Report Parser</strong> flow is created.</p>
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<p><img decoding="async" loading="lazy" alt="Financial report parser flow" src="/assets/images/starter-flow-financial-report-parser-5e11513e6ca4d6e4c0429e176e97fe90.png" width="4000" height="2038" class="img_ev3q"></p>
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<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="run-the-financial-report-parser-flow">Run the financial report parser flow<a href="#run-the-financial-report-parser-flow" class="hash-link" aria-label="Direct link to Run the financial report parser flow" title="Direct link to Run the financial report parser flow"></a></h2>
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<ol>
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<li>
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<p>Add your <strong>OpenAI API key</strong> to the <strong>Language model</strong> model component.
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Optionally, create a <a href="/configuration-global-variables">global variable</a> for the <strong>OpenAI API key</strong>.</p>
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<ol>
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<li>In the <strong>OpenAI API Key</strong> field, 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-globe" aria-hidden="True"><circle cx="12" cy="12" r="10"></circle><path d="M12 2a14.5 14.5 0 0 0 0 20 14.5 14.5 0 0 0 0-20"></path><path d="M2 12h20"></path></svg> <strong>Globe</strong>, and then click <strong>Add New Variable</strong>.</li>
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<li>In the <strong>Variable Name</strong> field, enter <code>openai_api_key</code>.</li>
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<li>In the <strong>Value</strong> field, paste your OpenAI API Key (<code>sk-...</code>).</li>
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<li>Click <strong>Save Variable</strong>.</li>
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||
</ol>
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||
</li>
|
||
<li>
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||
<p>To run the flow, 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-hidden="true"><polygon points="6 3 20 12 6 21 6 3"></polygon></svg> <strong>Playground</strong>, and then click <strong>Send</strong>.
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The <strong>Chat Input</strong> component is pre-loaded with a sample financial report for demonstration purposes.
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||
The <strong>Playground</strong> returns a structured response:</p>
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||
</li>
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||
</ol>
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||
<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>EBITDA: $900 million , Net Income: $500 million , GROSS_PROFIT: $1.2 billion</span></div></div><br></code></div></div>
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<p>Inspect the flow to understand how this information was extracted.</p>
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||
<ol start="3">
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<li>To inspect the output schema table, in the <strong>Structured Output</strong> component, click <strong>Open table</strong>.
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The <strong>Structured Output</strong> component uses the attached <strong>OpenAI</strong> model component as its "brain" to extract financial data into a <a href="/data-types#dataframe">DataFrame</a> with this defined schema.</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 | Description | Type | Multiple |</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>| EBITDA | description of field | text | False |</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>| NET_INCOME | description of field | text | False |</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>| GROSS_PROFIT | description of field | text | False |</span></div></div><br></code></div></div>
|
||
<ol start="4">
|
||
<li>To inspect the template that contains the extracted data, 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-scan" aria-hidden="true"><path d="M3 7V5a2 2 0 0 1 2-2h2"></path><path d="M17 3h2a2 2 0 0 1 2 2v2"></path><path d="M21 17v2a2 2 0 0 1-2 2h-2"></path><path d="M7 21H5a2 2 0 0 1-2-2v-2"></path></svg> <strong>Scan</strong> in the <strong>Template</strong> field.
|
||
The <strong>Parser</strong> component converts the extracted data into formatted messages for chat consumption.
|
||
Each variable receives its value from the structured outputs.</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>EBITDA: {EBITDA} , Net Income: {NET_INCOME} , GROSS_PROFIT: {GROSS_PROFIT}</span></div></div><br></code></div></div></div></article><nav class="docusaurus-mt-lg pagination-nav" aria-label="Docs pages"><a class="pagination-nav__link pagination-nav__link--prev" href="/vector-store-rag"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">Vector store RAG</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/sequential-agent"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">Sequential tasks agent</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="#prerequisites" class="table-of-contents__link toc-highlight">Prerequisites</a></li><li><a href="#create-the-financial-report-parser-flow" class="table-of-contents__link toc-highlight">Create the financial report parser flow</a></li><li><a href="#run-the-financial-report-parser-flow" class="table-of-contents__link toc-highlight">Run the financial report parser flow</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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