You can copy an object within a message file, such as a message for a local element object, or types for a complex type object. To copy an object:
Switch to the Enterprise Service Tools perspective.
Ensure that the Outline view is visible in the Enterprise Service Tools perspective. If the Outline view is not visible, from the workbench menu click .
In the Outline view, right-click the message model object that you want to copy then click Copy on the pop-up menu. Alternatively, right-click the object in the flow message editor Overview tab then click Copy on the pop-up menu.