To Set Up Parameter Relations
1. In the Relations dialog box of the bulk item, click Relations.
2. Type BOM_REPORT_QUANTITY=PAINT_AREA*0.125. Alternatively, in the Local Parameters box, you can right-click the parameter name and click Insert to Relations. The parameter name appears in the Relations box.
You can click to verify parameter relations.
3. Click File > Save and OK. The Bulk Component window opens if a parameter is defined as User Input.