UML Modeling Techniques > Class modeling > Ports > Rolling up part and port features
  
Rolling up part and port features
You can roll up a Part's features (Parts, Ports, Associations and Dependencies to Interfaces) to its type using the Roll Up, Roll Up Features and Roll Up Contextual Features commands. For more information, see the related topics.
To roll up a part or port to its parent's type:
Right-click the Part or Port you want to roll up, and then click Roll Up.
To roll up a part's or port's features to its type:
Right-click the Part or Port whose features you want to roll up, and then click Roll Up Features
To roll up all features of parts or ports that use a selected class, data type, interface or signal as their type:
Right-click the Class or Signal, and then click Roll Up Contextual Features