Linking a Property Value for a Part to the BOM Quantity To link a property value for a part to the BOM Quantity: After adding a custom property, type or select the custom property name under BOM Quantity. Click OK. Parent topicConfiguration Properties and Properties Summary Tabs Accessing Custom and Configuration Properties Displaying Units in File Properties Adding Properties Adding Associative Dimensions Into Properties Editing Properties Editing the List of Custom Properties Deleting Properties Adding Mass Properties