Bill of Materials Quantity You can see the number of component BOMs on the Where Used tab. On the Where Used tab, under BOM Source, you can see the number of BOMs displayed in parenthesis. In previous releases, you had to open the parent record to search for component BOMs. Contents Adding Custom Columns to the Where Used Tab You can define custom field columns on the Where Used tab. This displays the custom field information with the standard system fields. Parent topicSOLIDWORKS Manage Measuring in a Document Preview Plenary Web Client CAD File Preview Field Conditions for Affected Items Task Automation Task Burn Down Chart Timesheet Working Hours Process Output for Replacing BOM Items Adding Child Conditions to BOMs