To Create a Custom Parts List (AutoCAD Mechanical Toolset)

Click Annotate tabBOM panelBOM. Find
Press ENTER.
In the list of BOMs on the left, double-click the BOM to create the parts list from.
In the toolbar, click . The Parts List dialog box is displayed.
In the Parts List style list, select the name of the custom parts list. To use a custom parts list scheme from an external file, select Browse and open the external file.
Click Apply. The columns corresponding to the custom parts list appear.
Click OK. A preview of the parts list appears in the drawing.
Select a location in the drawing to place the parts list.