Opening the Bill of Materials PropertyManager for Displayed BOMs Set properties of BOM tables in the Bill of Materials PropertyManager. To open the Bill of Materials PropertyManager for displayed BOMs: Click the upper left corner of the BOM. If the BOM is not open, with an assembly or drawing open, select Insert > Tables > Bill of Materials. Parent topicTable-based Bill of Materials Working with Parts or Assembly BOMs BOM Assembly Structure and Balloons Setting Item Numbers in Indented BOMs Bill of Materials PropertyManager Bill of Materials Overview