To assign a tag format to a class definition

1. On the ribbon, click Home tab Project panel Project Manager Project Setup.
2. In the Project Setup tree view, expand Plant 3D DWG Settings.
   
3. Continue to expand the list until you locate and click an item (for example: Piping and EquipmentEquipment) that contains the tag format whose class definition you want to assign.
4. On the Class Settings pane, under Properties, in the Property Name column, locate TagFormatName.
5. In the TagFormatName row, in the Default Value column, in the drop-down list, click the tag format you want to use for tagging a Plant 3D object.
6. Click OK.