Interactions
An interaction describes behavior of a system in a particular context by exchanges of messages between system elements.
While state machine diagrams or activity diagrams study individual behaviors, interaction diagrams concentrate on cooperation of a group of objects.
Creating an Interaction
You can create an interaction from:
• A component
• A package
• A class
Creating an Interaction Diagram
The sequence diagram, communication diagram and interaction overview diagram are created from an interaction.
To create an interaction diagram:
1. Right click an interaction..
2. In the pop-up menu that appears, select New > Diagram.
A dialog box opens listing the possible diagram types.
3. Select the required diagram type and click Create.