Association and Property - some cases Gallery Tutorial TRAIL: Webel's ultimate guide to Systems Modeling Language (v1) with MagicDraw/Cameo Section 01:02: UML 101 for model-based systems engineering with SysML Slide kind UML Class Diagram
MagicDraw/Cameo: If you want to show a Property or Port listed both in its corresponding compartment on a Class or Block symbol and as the end of an Association in the same diagram, set the display option Show Association Ends As Attributes/Ports to 'all'
If the StructuralFeature is an Association end, the semantics are the same as for a CreateLinkAction ..., where the participants in the link are the object being acted on and the new value. Source Unified Modeling Language 2.5.1