Transitions of the kind internal are not shown explicitly in diagrams. Source Unified Modeling Language 2.5.1
kind = internal ... This kind of Transition can only be defined if the source Vertex is a State. Source Unified Modeling Language 2.5.1
kind = internal is a special case of a local Transition that is a self-transition (i.e., with the same source and target States), such that the State is never exited (and, thus, not re-entered), which means that no exit or entry Behaviors are executed ... Source Unified Modeling Language 2.5.1
Transitions This content has been marked as discussing an ADVANCED topic! Gallery Tutorial TRAIL: Webel's ultimate guide to Systems Modeling Language (v1) with MagicDraw/Cameo Section 01:03: UML Behavior: StateMachines quick start Slide kind UML StateMachine Diagram
