Property source (selection)
Specifies the options when selecting a property source
ID: PropSourceType
Property cache
Searches the cache for the name of the property.
ID: PropSourceType.cachedname
Constant
The value is a constant instead of a property name.
ID: PropSourceType.constant
Property name
The property is part of the processed item.
ID: PropSourceType.propname
Variable
The value is a variable that is linked to an action.
ID: PropSourceType.var