Within a Change Order you have the option to use the Process From button to bring one to many approved Change Event into the Change Order.
Open or Create a Change Order. Once completed select from the top ribbon bar.
A pop up window will present showing all status approved lower tier document types. On this screen check the box(s) of the cost events you would like to include in on this Change Order.
Once selected, click Select. The Change Order will show those selected cost events as a summarized item in the change order.