To specify the design commands for concrete beams, use the following procedure.

1. On the Concrete Design - Whole Structure dialog, click Commands. The Design Commands dialog opens.
   
2. To perform a design action for concrete members, select one of the following options based on the member type:

   To…	Select…
   design members acting as beams	the DESIGN BEAM tab
   design members acting as columns	the DESIGN COLUMN tab

3. Click Add.
4. Click Close.
5. Assign the design commands to the appropriate members.