Icon class icon_class fas fa-quote-left icon_class_computed fas fa-quote-left Related content UML Event types for triggering Transitions Source Unified Modeling Language 2.5.1 Copyright information About Object Management Group copyright in text extracts quoted from OMG specifications for educational purposes Snippet kind INFO UML keywords Event ChangeEvent ChangeEvent::changeExpression ValueSpecification Boolean Previous snippet Full quote A ChangeEvent models a change in the system configuration that makes a condition true. Next snippet Related snippets An Event is the specification of some occurrence that may potentially trigger effects by an object. A Trigger specifies a specific point at which an Event occurrence may trigger an effect in a Behavior. A MessageEvent specifies the receipt by an object of either an Operation call or a Signal instance. Related snippets (backlinks) Visit also Visit also (backlinks) Flags
