You've created a custom property, and you realize you need to change something about that property definition.
Here's how.
Open Usage Table
Open the Usage Editor. Click to open the Usage Table view
Find Property
Select which columns to display, or scroll to find the property.
Edit Definition
Click the 3 dots on the property name in the column header
Select "edit property definition."
Edit the settings as desired. Click save
You can edit most property definitions. Some Giraffe Default definitions are locked due to calculation dependencies. If the definition cannot be edited, you will see "Cannot edit system property definition."
If the property definition is no longer desired, you can also delete it.
A deleted property definition is removed from all geometries and usages instantly. it cannot be undone.