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*NULL | Checks if the variables identified by the COM parameter are set to *NULL |
*EQUAL_TO #VariableName | Checks if the variable identified by the COM parameter is equal to this variable. In other words the condition checks if both variables refer to the same component instance. |
*INSTANCE_OF ClassName | Checks if the variable identified by the COM parameter is of the type identified by the class name or of the type of ancestors identified by the class name. |
*KIND_OF ClassName | Checks if the variable identified by the COM parameter is of the class identified by the class name value. |
Refer also to Specifying Conditions and Expressions.