Click the Home > View > More > Show Grids command to turn the grids on.
Use the Home > View > More > Set 2-D View command to set the active window to select the plane in which the secondary beam is to be added.
Click on the Advanced > Draw > Quick Draw Secondary Beams command. Select the Section, Moment Releases, Spacing, Number of Beams and the Approximate Orientation from the Properties of Object form.
Click in a grid space bounded by 4 grid lines, to draw quick secondary beams.
Press the ESC key or the Advanced > Draw > Set Select Mode command to exit the Draw mode and enable the Select mode.