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://amazonaws-china.com/blogs/big-data/amazon-redshift-python-user-defined-functions-will-reach-end-of-support-after-june-30-2026/). 

# Producer actions for existing datashares in Amazon Redshift
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With Amazon Redshift, you can manage existing datashares to control access to your data in an Amazon Redshift cluster. The following sections provide step-by-step guidance on modifying datashare objects, managing datashare permissions, and updating datashare properties to effectively control and audit data access in your Amazon Redshift environment.

**Topics**
+ [Viewing a datashare in Amazon Redshift](writes-viewing.md)
+ [Editing datashares created in your account in Amazon Redshift](writes-editing.md)
+ [Removing authorization from a datashare in Amazon Redshift](writes-removing-authorization.md)
+ [Removing datashare objects from a datashare in Amazon Redshift](writes-removing-datashare-object.md)
+ [Removing data consumers from a datashare in Amazon Redshift](writes-removing-data-consumer.md)
+ [Deleting a datashare created in your account in Amazon Redshift](writes-deleting.md)