To Insert a Structure
1. Click > 
Edit Structure or > Edit Structure. Structure Edit mode opens.
Edit Structure or > Edit Structure. Structure Edit mode opens.2. Select the target node, and then click 
Insert Branch Link or 
Insert Branch. The Open File dialog box opens.
Insert Branch Link or Insert Branch. The Open File dialog box opens.3. Browse to and select a PVS, PVZ, ED, EDZ, or ZIP file. The selected file becomes the last child of the target node.
4. Click 
Close Edit, to save the changes and exit the Structure Edit mode.
Close Edit, to save the changes and exit the Structure Edit mode.