app.project.item(index).layer(index).propertySpec.duplicate()
Description
If this property is a child of an indexed group, creates and returns a new PropertyBase object with the same attribute values as this one.
If this property is not a child of an indexed group, the method generates an exception and displays an error.
An indexed group has the type PropertyType.INDEXED_GROUP; see PropertyBase propertyType attribute” .
Parameters
None.
Returns
PropertyBase object.