Returns list of macro field extension registered for specified object.
            Returns null if there is no such extension for given object.
            
Namespace: CMS.MacroEngineAssembly: CMS.MacroEngine (in CMS.MacroEngine.dll) Version: 8.0.0.0 (8.1.5347.20411)
Parameters
- obj
 - Type: 
System Object
Object to check 
Return Value
Type:See Also