This image shows the selected Copy Rules tab of the Assign dialog. 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 node connected to the target node by a wire. 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. Above the From section is the Copy dropdown list with selections for Copy, CopyList, Append, InsertAfter, and InsertBefore.