Lifeline Classifier Substitution

General Questions/Discussions
1

Hello to all.

Could I substitute one lifeline classifier for another in sequence diagramm? E.g. lifeline classifier “:Sedan” change to its superclass “:PassengerCar”? Note: all incoming and outcoming messages must still saved.

Thanks.

2

The problem is resolved:
Select the lifeline > Context Mеnu > Open Specification… > Base classifier.