When you hover the mouse over a geoprocessing tool, you get help. For example,
![Screenshot 2024-05-30 161209.png Screenshot 2024-05-30 161209.png](https://community.esri.com/t5/image/serverpage/image-id/105844i6325BE94CDA613E7/image-size/large?v=v2&px=999)
When you type function names in Python, you get help.
Make Attribute Rules work the same way, when you hover over a function in the Expression Builder, show more information.
Currently all you get is the function name, which is useless.
![Screenshot 2024-05-30 161858.png Screenshot 2024-05-30 161858.png](https://community.esri.com/t5/image/serverpage/image-id/105847iB6F5754F20E10F07/image-size/large?v=v2&px=999)