Icon class icon_class fas fa-quote-left icon_class_computed fas fa-quote-left Related content Source OMG Systems Modeling Language (SysML) 1.6 Copyright information About Object Management Group copyright in text extracts quoted from OMG specifications for educational purposes Snippet kind NOTATION UML keywords Message MessageEnd Previous snippet The send and receive events may both be on the same lifeline. Full quote The send and receive events may both be on the same lifeline. Next snippet Related snippets 17.4.4.1 Message - A message is shown as a line from the sender MessageEnd to the receiver MessageEnd. The line must be such that every line fragment is either horizontal or downwards when traversed from send event to receive event. Related snippets (backlinks) An asynchronous Message (messageSort equals asynchCall or asynchSignal) has an open arrow head. A synchronous Message (messageSort equals synchCall) has a filled arrow head. A reply Message (messageSort equals reply) has a dashed line with either an open or filled arrow head. An object creation Message (messageSort equals createMessage) has a dashed line with an open arrow head. An object deletion Message (messageSort equals deleteMessage) must end in a DestructionOccurrenceSpecification. A lost Message is denoted with a small black circle at the arrow end of the Message. A found Message is denoted with a small black circle at the starting end of the Message. On Communication Diagrams, the Messages are decorated by a small arrow in the direction of the Message close to the Message name and sequence number along the line between the lifelines ... Visit also Visit also (backlinks) Flags
