This image shows the selected Copy Rules tab of the Assign dialog. The following tabs appear at the top from left to right: General, Copy Rules, Annotations, Documentation, Sources, and Targets. To the right are the Expression, Literal, Remove, Rename, and Recast icons. Below this, Insert New Rule After is selected in the dropdown list. Below this, a two column table shows the source nodes and target nodes. A target node side has a variable selected. Below this, a two column table shows the From section and the To section. Above the To section are the Create, Edit, Delete, Up, and Down buttons. In the From section, the Copy dropdown list is displayed.