Use this procedure to add a size to a component, such as a duct, pipe, cable tray, or conduit segment. You can add size parameter values to a basic table or constant lists. 
Attention: To add a size to an MvPart, such as equipment, use the Parametric Part Wizard or Content Builder. You can also use Content Builder to add a size to a fitting. 
To add a size to a part in Catalog Editor
- If necessary, open the Catalog Editor, and then open the part catalog. 
 
- In the tree view, navigate to the non-MvPart part you want to edit, and expand the part family to show the storage types. 
 
- Select the storage type of the part parameter to which to add a size. 
 
- In the table view, add a new parameter value: 
| If you want to add a size to a…  | 
then right-click a…  | 
| basic table parameter  | 
value row, and click Insert  Row. A new value row is added above the selected value row.  | 
| constant lists parameter  | 
value cell in the desired parameter column, and click Insert  Cell. A new value cell is added above the selected value cell.  | 
 
 Note: You can also modify any size parameter value, including calculation formulas. To change a constant value or calculation, click the parameter value cell in the table view and edit the value. If you add a size and then change your mind, you can click Edit menu 

Undo to remove the new size. 
 
  
- Click the new parameter value cell and enter a size. 
 
- In the Catalog Editor, click 
. Alternatively, click  menu 
. The software validates the new part and regenerates the catalog. 
 The software validates the part and regenerates the catalog. 
  
Note: To access the new part size during part selection, be sure to load the modified part catalog in your drawing.