Click Data Entry > Define Schedules to open the Define Schedules window (Adding a Schedule Definition Addition).
Click Add and then type a name for the addition in the Schedule Name field. The field supports up to 120 characters including spaces.
Select a schedule type listed in the Available Schedule Types pane, such as Periodic Bond-Critical. To select multiple schedule types, press the Ctrl key on the computer keyboard while selecting each schedule type.
Click the top arrow button 
to move the schedule type(s) to the Selected Schedule Types pane (Adding a Schedule Definition Addition). Click 
Save. The addition is now available in the Select Schedule Definition selection list.
Double-clicking a schedule type in the Available Schedule Types pane also moves it to the Selected Schedule Types pane.
