Object. In the UML, an object in a sequence diagram is drawn as a rectangle containing the name of the object, underlined. An object can be named in one of three ways: the object name, the object name and its class, or just the class name (anonymous object). The three ways of naming an object are shown in Figure below.
How to create a sequence diagram?
GitMind. GitMind comes with a large library of templates and themes allowing you to produce and streamline your diagrams.
Lucidchart. A sequence diagram can also be made with Lucidchart.
Visual Paradigm. Visual Paradigm is another free diagramming tool that can help you draw professional diagrams.
A sequence fragment is represented as a box,called a combined fragment,which encloses a portion of the interactions within a sequence diagram
The fragment operator (in the top left cornet) indicates the type of fragment
Fragment types: ref,assert,loop,break,alt,opt,neg
How to draw sequence diagram?
Start Visio. Or if you have a file open already,click File> New.
In the Search box,type UML sequence.
Select the UML Sequence diagram.
In the dialog box,select the blank template or one of the three starter diagrams.
Select Create.
The diagram opens. You should see the Shapes window next to the diagram.
On the View tab,make sure the check box next to Connection Points is selected. This option makes connection points appear when you start connecting shapes.
Now,drag shapes you want to include in your diagram from the Shapes window to the page. To rename text labels,double-click the labels.
How to make system sequence diagram with example?
What the system need to be handled before the return message response back from the system?
E.g.
Guess,what will to be handled inside the ADM by a set of objects at the “back” of the system?