This image shows the Edit Assign dialog. At the top are a series of tabs, of which the Copy Rules tab is selected. Below this is the Insert New Rule After list. Below this is the Source section and the Target section. A variable in the Source section is connected to a variable in the Target section. Above the Target are five icons. Below this are the From and To sections. Above the To section are four icons. At the bottom are the Help, Apply, OK, and Cancel buttons.