Please note : This help page is not for the latest version of Enterprise Architect. The latest help can be found here.

Communication Toolbox

The Communication Toolbox is used to model dynamic interactions between elements at run-time.

Communication Toolbox pages



See also



Communication diagrams are used to model work flow and sequential passing of messages between elements in real time; they are often placed beneath Use Case elements to further expand on Use Case behavior over time.

The Actor element models a user of the system, while the other elements model things within the system, including standard elements (Object), user interface component (Boundary), Controller and Entity.

Communication Diagrams


To add an element to the currently-open diagram, click on the appropriate icon and drag it into position on the diagram; set an element name and other properties as prompted
To add a relationship, click on the appropriate icon, then click on the start element in the diagram and drag to the end element