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theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="/docs/releases">Release History</a></div></li></ul></nav></div></div></aside><main class="docMainContainer_gTbr"><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" 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 itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item"><a class="breadcrumbs__link" itemprop="item" href="/docs/metadata-ingestion/source_overview"><span itemprop="name">Sources</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">Prefect</span><meta itemprop="position" content="2"></li></ul></nav><span class="theme-doc-version-badge badge badge--secondary">Version: Next</span><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"><h1>Prefect Integration with DataHub</h1><h2 class="anchor anchorWithStickyNavbar_LWe7" id="overview">Overview<a href="#overview" class="hash-link" aria-label="Direct link to Overview" title="Direct link to Overview"></a></h2><p>DataHub supports integration with Prefect, allowing you to ingest:</p><ul><li>Prefect flow and task metadata</li><li>Flow run and Task run information</li><li>Lineage information (when available)</li></ul><p>This integration enables you to track and monitor your Prefect workflows within DataHub, providing a comprehensive view of your data pipeline activities.</p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="prefect-datahub-block">Prefect DataHub Block<a href="#prefect-datahub-block" class="hash-link" aria-label="Direct link to Prefect DataHub Block" title="Direct link to Prefect DataHub Block"></a></h2><h3 class="anchor anchorWithStickyNavbar_LWe7" id="what-is-a-prefect-datahub-block">What is a Prefect DataHub Block?<a href="#what-is-a-prefect-datahub-block" class="hash-link" aria-label="Direct link to What is a Prefect DataHub Block?" title="Direct link to What is a Prefect DataHub Block?"></a></h3><p>Blocks in Prefect are primitives that enable the storage of configuration and provide an interface for interacting with external systems. The <code>prefect-datahub</code> block uses the <a href="/docs/metadata-ingestion/sink_docs/datahub#datahub-rest">DataHub REST</a> emitter to send metadata events while running Prefect flows.</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="prerequisites">Prerequisites<a href="#prerequisites" class="hash-link" aria-label="Direct link to Prerequisites" title="Direct link to Prerequisites"></a></h3><ol><li><p>Use either Prefect Cloud (recommended) or a self-hosted Prefect server.</p></li><li><p>For Prefect Cloud setup, refer to the <a href="https://docs.prefect.io/latest/getting-started/quickstart/" target="_blank" rel="noopener noreferrer">Cloud Quickstart</a> guide.</p></li><li><p>For self-hosted Prefect server setup, refer to the <a href="https://docs.prefect.io/latest/guides/host/" target="_blank" rel="noopener noreferrer">Host Prefect Server</a> guide.</p></li><li><p>Ensure the Prefect API URL is set correctly. Verify using:</p><div class="language-shell codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-shell codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">prefect profile inspect</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li><li><p>API URL format:</p><ul><li>Prefect Cloud: <code>https://api.prefect.cloud/api/accounts/<account_id>/workspaces/<workspace_id></code></li><li>Self-hosted: <code>http://<host>:<port>/api</code></li></ul></li></ol><h2 class="anchor anchorWithStickyNavbar_LWe7" id="setup-instructions">Setup Instructions<a href="#setup-instructions" class="hash-link" aria-label="Direct link to Setup Instructions" title="Direct link to Setup Instructions"></a></h2><h3 class="anchor anchorWithStickyNavbar_LWe7" id="1-installation">1. Installation<a href="#1-installation" class="hash-link" aria-label="Direct link to 1. Installation" title="Direct link to 1. Installation"></a></h3><p>Install <code>prefect-datahub</code> using pip:</p><div class="language-shell codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-shell codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">pip </span><span class="token function" style="color:rgb(130, 170, 255)">install</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">'prefect-datahub'</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>Note: Requires Python 3.7+</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="2-saving-configurations-to-a-block">2. Saving Configurations to a Block<a href="#2-saving-configurations-to-a-block" class="hash-link" aria-label="Direct link to 2. Saving Configurations to a Block" title="Direct link to 2. Saving Configurations to a Block"></a></h3><p>Save your configuration to the <a href="https://docs.prefect.io/latest/concepts/blocks/#saving-blocks" target="_blank" rel="noopener noreferrer">Prefect block document store</a>:</p><div class="language-python codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-python codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token keyword" style="font-style:italic">from</span><span class="token plain"> prefect_datahub</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">datahub_emitter </span><span class="token keyword" style="font-style:italic">import</span><span class="token plain"> DatahubEmitter</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">DatahubEmitter</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> datahub_rest_url</span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token string" style="color:rgb(195, 232, 141)">"http://localhost:8080"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> env</span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token string" style="color:rgb(195, 232, 141)">"PROD"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> platform_instance</span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token string" style="color:rgb(195, 232, 141)">"local_prefect"</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">save</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"MY-DATAHUB-BLOCK"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>Configuration options:</p><table><thead><tr><th>Config</th><th>Type</th><th>Default</th><th>Description</th></tr></thead><tbody><tr><td>datahub_rest_url</td><td><code>str</code></td><td><code>http://localhost:8080</code></td><td>DataHub GMS REST URL</td></tr><tr><td>env</td><td><code>str</code></td><td><code>PROD</code></td><td>Environment for assets (see <a href="/docs/graphql/enums/#fabrictype">FabricType</a>)</td></tr><tr><td>platform_instance</td><td><code>str</code></td><td><code>None</code></td><td>Platform instance for assets (see <a href="/docs/platform-instances/">Platform Instances</a>)</td></tr></tbody></table><h3 class="anchor anchorWithStickyNavbar_LWe7" id="3-using-the-block-in-prefect-workflows">3. Using the Block in Prefect Workflows<a href="#3-using-the-block-in-prefect-workflows" class="hash-link" aria-label="Direct link to 3. Using the Block in Prefect Workflows" title="Direct link to 3. Using the Block in Prefect Workflows"></a></h3><p>Load and use the saved block in your Prefect workflows:</p><div class="language-python codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-python codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token keyword" style="font-style:italic">from</span><span class="token plain"> prefect </span><span class="token keyword" style="font-style:italic">import</span><span class="token plain"> flow</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> task</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token keyword" style="font-style:italic">from</span><span class="token plain"> prefect_datahub</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">dataset </span><span class="token keyword" style="font-style:italic">import</span><span class="token plain"> Dataset</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token keyword" style="font-style:italic">from</span><span class="token plain"> prefect_datahub</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">datahub_emitter </span><span class="token keyword" style="font-style:italic">import</span><span class="token plain"> DatahubEmitter</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">datahub_emitter </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> DatahubEmitter</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">load</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"MY-DATAHUB-BLOCK"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token decorator annotation punctuation" style="color:rgb(199, 146, 234)">@task</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">name</span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token string" style="color:rgb(195, 232, 141)">"Transform"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> description</span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token string" style="color:rgb(195, 232, 141)">"Transform the data"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token keyword" style="font-style:italic">def</span><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">transform</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">data</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">:</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> data </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> data</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">split</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">" "</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> datahub_emitter</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">add_task</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> inputs</span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token plain">Dataset</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"snowflake"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">"mydb.schema.tableA"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">]</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> outputs</span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token plain">Dataset</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"snowflake"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">"mydb.schema.tableC"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">]</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token keyword" style="font-style:italic">return</span><span class="token plain"> data</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token decorator annotation punctuation" style="color:rgb(199, 146, 234)">@flow</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">name</span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token string" style="color:rgb(195, 232, 141)">"ETL flow"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> description</span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token string" style="color:rgb(195, 232, 141)">"Extract transform load flow"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token keyword" style="font-style:italic">def</span><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">etl</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">:</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> data </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> transform</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"This is data"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> datahub_emitter</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">emit_flow</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p><strong>Note</strong>: To emit tasks, you must call <code>emit_flow()</code>. Otherwise, no metadata will be emitted.</p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="concept-mapping">Concept Mapping<a href="#concept-mapping" class="hash-link" aria-label="Direct link to Concept Mapping" title="Direct link to Concept Mapping"></a></h2><table><thead><tr><th>Prefect Concept</th><th>DataHub Concept</th></tr></thead><tbody><tr><td><a href="https://docs.prefect.io/latest/concepts/flows/" target="_blank" rel="noopener noreferrer">Flow</a></td><td><a href="/docs/generated/metamodel/entities/dataflow/">DataFlow</a></td></tr><tr><td><a href="https://docs.prefect.io/latest/concepts/flows/#flow-runs" target="_blank" rel="noopener noreferrer">Flow Run</a></td><td><a href="/docs/generated/metamodel/entities/dataprocessinstance">DataProcessInstance</a></td></tr><tr><td><a href="https://docs.prefect.io/latest/concepts/tasks/" target="_blank" rel="noopener noreferrer">Task</a></td><td><a href="/docs/generated/metamodel/entities/datajob/">DataJob</a></td></tr><tr><td><a href="https://docs.prefect.io/latest/concepts/tasks/#tasks" target="_blank" rel="noopener noreferrer">Task Run</a></td><td><a href="/docs/generated/metamodel/entities/dataprocessinstance">DataProcessInstance</a></td></tr><tr><td><a href="https://docs.prefect.io/latest/concepts/tasks/#tags" target="_blank" rel="noopener noreferrer">Task Tag</a></td><td><a href="/docs/generated/metamodel/entities/tag/">Tag</a></td></tr></tbody></table><h2 class="anchor anchorWithStickyNavbar_LWe7" id="validation-and-troubleshooting">Validation and Troubleshooting<a href="#validation-and-troubleshooting" class="hash-link" aria-label="Direct link to Validation and Troubleshooting" title="Direct link to Validation and Troubleshooting"></a></h2><h3 class="anchor anchorWithStickyNavbar_LWe7" id="validating-the-setup">Validating the Setup<a href="#validating-the-setup" class="hash-link" aria-label="Direct link to Validating the Setup" title="Direct link to Validating the Setup"></a></h3><ol><li><p>Check the Prefect UI's Blocks menu for the DataHub emitter.</p></li><li><p>Run a Prefect workflow and look for DataHub-related log messages:</p><div class="language-text codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">Emitting flow to datahub...</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">Emitting tasks to datahub...</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li></ol><h3 class="anchor anchorWithStickyNavbar_LWe7" id="debugging-common-issues">Debugging Common Issues<a href="#debugging-common-issues" class="hash-link" aria-label="Direct link to Debugging Common Issues" title="Direct link to Debugging Common Issues"></a></h3><h4 class="anchor anchorWithStickyNavbar_LWe7" id="incorrect-prefect-api-url">Incorrect Prefect API URL<a href="#incorrect-prefect-api-url" class="hash-link" aria-label="Direct link to Incorrect Prefect API URL" title="Direct link to Incorrect Prefect API URL"></a></h4><p>If the Prefect API URL is incorrect, set it manually:</p><div class="language-shell codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-shell codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">prefect config </span><span class="token builtin class-name" style="color:rgb(255, 203, 107)">set</span><span class="token plain"> </span><span class="token assign-left variable" style="color:rgb(191, 199, 213)">PREFECT_API_URL</span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token string" style="color:rgb(195, 232, 141)">'http://127.0.0.1:4200/api'</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h4 class="anchor anchorWithStickyNavbar_LWe7" id="datahub-connection-error">DataHub Connection Error<a href="#datahub-connection-error" class="hash-link" aria-label="Direct link to DataHub Connection Error" title="Direct link to DataHub Connection Error"></a></h4><p>If you encounter a <code>ConnectionError: HTTPConnectionPool(host='localhost', port=8080)</code>, ensure that your DataHub GMS service is running.</p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="additional-resources">Additional Resources<a href="#additional-resources" class="hash-link" aria-label="Direct link to Additional Resources" title="Direct link to Additional Resources"></a></h2><ul><li><a href="https://docs.prefect.io/" target="_blank" rel="noopener noreferrer">Prefect Documentation</a></li><li><a href="/docs/">DataHub Documentation</a></li></ul><p>For more information or support, please refer to the official Prefect and DataHub documentation or reach out to their respective communities.</p></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="slackUtm_uoBr"><div class="slackUtm_uoBr"><hr>Need more help? 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Installation</a></li><li><a href="#2-saving-configurations-to-a-block" class="table-of-contents__link toc-highlight">2. Saving Configurations to a Block</a></li><li><a href="#3-using-the-block-in-prefect-workflows" class="table-of-contents__link toc-highlight">3. 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