What is reference in sequence diagram?

An interaction occurrence (or reference sequence diagram) enables you to refer to another sequence diagram from within a sequence diagram. This functionality enables you to break down complex scenarios into smaller scenarios that can be reused. Each scenario is an “interaction.”

How do you add references in visual paradigm?

Reference to diagrams

1. Move the mouse over a shape, press its resource icon References and select Add Diagram… from the pop-up menu. To add a diagram reference.
2. In the Select Diagram window, select the diagram(s) to reference to and click OK.

What is a self message in sequence diagram?

A Self-Message reflects a new process or method invoked within the calling lifeline’s operation. It is a specification of a Message, typically in a Sequence diagram. Self-Message Calls indicate a nested invocation; new activation levels are added with each Call.

How do you start a Visual Paradigm project?

To create a project, select Project > New from the toolbar. The New Project window appears.

What is activation in a sequence diagram?

Used in a sequence diagram, an activation shows the time period during which an object or actor is performing an action. shows the time period during which an object or actor is performing an action. On an object lifeline, the activation rectangle sits on top of the lifeline.

How to draw UML sequence diagram [ visual paradigm ]?

Select Boundary Lifeline (B) from the diagram toolbar. Click on the diagram to create a boundary lifeline. Enter registrationUI as the name of lifelife and then press Enter to confirm. Right-click on the lifeline and select Select Class > Select Class… from the popup menu.

How to create a sequence diagram for free?

Just click the Draw button below to create your Sequence Diagram online. Visual Paradigm Online is free * and intuitive. You can also go through this Sequence Diagram tutorial to learn about Sequence Diagram before you get started. A lifeline represents an individual participant in the Interaction.

How to create actor in UML-visual paradigm?

To create actor, click Actor on the diagram toolbar and then click on the diagram. To create lifeline, you can click LifeLine on the diagram toolbar and then click on the diagram.

Which is the best description of an interaction diagram?

Interaction diagrams address the dynamic view of a system. A sequence diagram is an interaction diagram that emphasizes the time-ordering of messages. It depicts the objects and classes involved in the scenario and the sequence of messages exchanged between the objects needed to carry out the functionality of the scenario.