There are several checks performed by the system to avoid inconsistency.
Requirements
The following requirements must be fulfilled to add a MetaProperty to a MetaClass
- The MetaProperty must have a valid name
- The MetaClass may not have a MetaProperty with the same name
- The MetaClass may not inherit a MetaProperty with the same name
- None of all the derivates of the MetaClass may not have a MetaProperty with the same name
- The MetaClass must be editable