 
            | Class | The objects of a specific class to which the method is bound.
            (All classes assumed if not specified.) (Inherited from ScriptAttributeBase) | 
| ObjectType | The object type to which the method is bound.
            (All object types assumed if not specified.) (Inherited from ScriptAttributeBase) | 
| Priority | The event handling priority. The highest priority handlers receive the event first. Large number indicates a high priority. 0 is the default value. (Inherited from ScriptAttributeBase) | 
| State | The property definition alias where the method containing this attribute should be attached. | 
| Type | The state attribute type. |