Tags and keywords
number.appendwas contrived to match the (seemingly equally contrived) notation used in the UML-2.5.1 spec Figure 14.7, it is NOT a recommended Activity name!
If you've been following this tutorial you'll already know the sequence of InitialNode, ReadSelfAction, and ReadStructuralFeatureAction to get at
number:Number - noting that the context class here is
Dialer. Then a CallOperationAction is used to execute the operation
But where does the value for the input Parameter corresponding to that ActivityParameterNode
n:int come from? It is "magically" matched against the Parameter of the Operation
Dialer of the CallEvent trigger that was used on the Transitions that enter the