The Reference button on the Insert tab of the ribbon allows you to add references to other elements inside the active model. To create a reference, follow the steps below:
2.Click the Reference button on the Insert tab of the ribbon.
3.The References window opens for defining the elements that are referenced by the selected parent element. See Copies/References window for more information about how to select the elements.
Note that you can create a reference also by right-clicking an element in the Scorecard Navigator and selecting the "Create Reference..." option from the pop-up menu.