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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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Add Connectors

Connectors define specific relationships between specific elements, so you usually create them directly on the diagram by dragging the required relationship type from the Diagram Toolbox. As for elements, the Toolbox automatically presents the connector or relationship types appropriate to the type of diagram currently displayed.

Define a relationship between two model elements on a diagram



See also


Display the Diagram Toolbox; either:

  • Select the 'Design > Diagram > Toolbox' ribbon option or
  • Press Ctrl+Shift+3

Also, if it is not already displayed, open the Properties window ('Start > Desktop > Design > Properties' ribbon option).


Open the diagram containing the elements to be connected, in the Diagram View (double-click on the diagram name in the Browser window).

The selected diagram opens and the Toolbox is updated to display the categories of elements and relationships that are applicable to that diagram type.

Diagram View Create New Elements on a Diagram


Click on the required connector in the Toolbox to select the type of connector to draw.

The connector type is highlighted in the Toolbox.


Click on the source element in the relationship, then drag across to the target element.

The selected connector is drawn between the two elements.

The connector becomes the focus of the Properties window.


Use the Properties window to define the characteristics of the connector as required.

Modify Properties


  • If you are creating several connectors of one type, after creating the first, press F3 then click and drag from the source element to the target
  • As you drag a connector path, you can press Shift to create a bend in the connector; if necessary, you can put several bends in the connector line, pressing Shift every time you want to change direction
  • To roll back the bends, keep holding the left mouse button down and press the Backspace key as many times as is necessary
  • To find out more about the type of connector you have dragged on to a diagram, right-click on the connector and select the 'Type Information' option, which displays a Help page on the connector type

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