Indented BOMs Contents Creating Indented Assembly BOMs Use indented assembly BOMs to display subassembly hierarchy. Setting Item Numbers in Indented BOMs You can select flat numbering, detailed numbering, or no numbers for subassembly items in indented BOMs. Select item numbering in the Bill of Materials PropertyManager. Expanding or Collapsing Indented Assemblies in a BOM You can collapse a subassembly in an indented assembly BOM to display only the top-level component in the subassembly. Combining Like Items in BOMs You can combine like items in bills of materials (BOMs) by right-clicking an item and selecting Combine Identical Components. Alternatively, drag an item to the same hierarchical structure of another like item to combine the two like items. Parent topicTable-based Bill of Materials