MagicDraw/Cameo: the (not so well named) "Enable Parts Compartment" feature on Ports is highly recommended and can make diagrams much easier to read.

Icon class
icon_class
far fa-sticky-note
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Note kind
CAPABILITY
DISPLAY
TOOL
UML keywords
Port
Keywords
Might have been better to call the feature "Enable SysML Compartments", because it does not just enable parts.
Relates to
Figure D.20 - Blocks Typing Ports in the Power Subsystem (ICE Port Type Definitions)
Hybrid SUV example: provided/required DirectedFeatures (Internal Definition Diagram)
WaterProcessingPlant - FlowProperty and ItemFlow example with Ports (in IBD with verbose Port compartments)
Related notes
[DISPLAY, STYLE] SysML directed features displayed on Port symbols are often far clearer than UML-style provided/required Interface "ball (lollipop) and socket" notation
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