13+ Notations For Sequence Diagram. It depicts the objects involved in the scenario and the sequence of messages exchanged between the objects needed to carry out the functionality of the scenario. These diagrams are used to illustrate interactions.
Lifelines in the system take part during the execution of a system. This uml sequence diagram tutorial introduces the commonly used elements of uml sequence diagrams and explains how to use them. A use case is a collection of interactions between external actors and a system.
A continuation has the same notation as a state invariant, but is used in combined fragments and can stretch across more than one lifeline.
13+ Notations For Sequence Diagram. Use the uml object symbol to illustrate class roles, but don't list object attributes. A sequence diagram is a dynamic behavioral diagram that shows interactions. Arrow) messages may be synchronous (notation: What is a sysml sequence diagram?