https://community.databricks.com/t5/machine-learning/recommended-python-udfs-for-on-demand-feature-computation-in/m-p/154458#M4608 <P>HI&nbsp;<a href="https://community.databricks.com/t5/user/viewprofilepage/user-id/226766">@nb92</a>&nbsp;,</P> <P>Only Scalar Python UDFs are allowed for on-demand feature computation. <A href="https://docs.databricks.com/aws/en/machine-learning/feature-store/on-demand-features#what-are-on-dem..." target="_blank" rel="noopener">This page</A> provides the recommended approach.&nbsp;</P> <P>Best regards,</P> Tue, 14 Apr 2026 14:10:31 GMT aleksandra_ch 2026-04-14T14:10:31Z https://community.databricks.com/t5/machine-learning/recommended-python-udfs-for-on-demand-feature-computation-in/m-p/154226#M4606 <P><SPAN>The Databricks documentation page on on-demand feature computation (</SPAN><A class="" title="/aws/en/machine-learning/feature-store/on-demand-features#what-are-on-demand-features" href="https://docs.databricks.com/aws/en/machine-learning/feature-store/on-demand-features#what-are-on-demand-features" target="_blank" rel="noopener">https://docs.databricks.com/aws/en/machine-learning/feature-store/on-demand-features#what-are-on-demand-features</A><SPAN>) mentions using Python UDFs for computing on-demand features. What types of Python UDFs are supported for this purpose? Are only scalar UDFs allowed, as shown in the examples on that page, or can other types of UDFs (such as pandas UDFs) also be used? What is the recommended approach for implementing on-demand feature computation in Databricks Feature Store?</SPAN></P> Sun, 12 Apr 2026 20:44:37 GMT https://community.databricks.com/t5/machine-learning/recommended-python-udfs-for-on-demand-feature-computation-in/m-p/154226#M4606 nb92 2026-04-12T20:44:37Z https://community.databricks.com/t5/machine-learning/recommended-python-udfs-for-on-demand-feature-computation-in/m-p/154458#M4608 <P>HI&nbsp;<a href="https://community.databricks.com/t5/user/viewprofilepage/user-id/226766">@nb92</a>&nbsp;,</P> <P>Only Scalar Python UDFs are allowed for on-demand feature computation. <A href="https://docs.databricks.com/aws/en/machine-learning/feature-store/on-demand-features#what-are-on-dem..." target="_blank" rel="noopener">This page</A> provides the recommended approach.&nbsp;</P> <P>Best regards,</P> Tue, 14 Apr 2026 14:10:31 GMT https://community.databricks.com/t5/machine-learning/recommended-python-udfs-for-on-demand-feature-computation-in/m-p/154458#M4608 aleksandra_ch 2026-04-14T14:10:31Z