Defining operation parameters in service models

Operation parameters enable a capability or service interface to define data that is required or returned by an operation. When you create a capability or service interface from an existing BPMN element, tasks in the BPMN element become the operations for the capability or service interface. You can add parameters to these operations or to any others that you create.

Before you begin

You must have a capability or service interface with at least one operation.

Procedure

  1. Select a capability or service interface in the diagram editor or Project Explorer view.
  2. In the Properties view, on the Operation page, click the ellipsis button in the operation below the OwnedParameters column.
  3. In the Properties window, click the Insert New Parameter icon.
  4. Click Close.

Results

You can also add attributes to the operation in the Properties view, on the Attribute page.
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