Amazon Redshift will no longer support the creation of new Python UDFs starting Patch 198. Existing Python UDFs will continue to function until June 30, 2026. For more information, see the [ blog post ](https://aws.amazon.com/blogs/big-data/amazon-redshift-python-user-defined-functions-will-reach-end-of-support-after-june-30-2026/). 

# PL/pgSQL reference conventions
<a name="c_PL_reference_conventions"></a>

In this section, you can find the conventions that are used to write the syntax for the PL/pgSQL stored procedure language. 

[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/redshift/latest/dg/c_PL_reference_conventions.html)