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

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Activity Toolbox

The Activity Toolbox is used to model system dynamics from a number of viewpoints (represented by activities and the flows between them) in Activity diagrams and Interaction Overview diagrams. Both types of diagram are usually created under Activity elements.

Activities can be stereotyped as a process to display a business process icon; the Activity represents some work that is carried out, which might overlap several Use Cases or form only a part of one Use Case.

Activity Toolbox pages



See also

A page of the Sparx Systems Enterprise Architect Diagram Toolbox, providing Activity elements and connectors.

Except where discussed here, each element and relationship that you can create using these Toolbox pages is described in the UML Elements and UML Connectors sections of the Help.

The 'Basic Activity' icon adds the Basic Activity Pattern to your diagram as a starting point for developing the diagram (drag the icon onto the diagram to open the 'Add Pattern <name> to Diagram' dialog and click on the OK button).

Behavioral Diagram Elements Structural Diagram Elements UML Connectors Add Pattern Dialog


  • 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

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