Shows the current flow direction and allows you to reverse it.
Set flow direction shows the movement of the material or fluid in a run. After you set the flow direction, you can show flow markers to indicate flow direction and toggle them on or off as needed.
The following prompts are displayed.
Specifies segment in the run.
Specifies y (yes) to reverse the flow direction.
Specifies n (no) to accept the indicated flow direction.