Followed By has multiple options depending on your configuration. See the Related Topics section for descriptions of Maximum Time Between Pairings and Allow Intervening Activities. These options are not available if you do not see them on your interface.
Followed By lets you link Award Pairings bid preferences in a series. The N-PBS Scheduler tries to find back-to-back pairings over multiple days that match the linked bid preferences, with minimum required rest between duty periods.
Reminder: A Followed By bid preference is an all or nothing bid preference. In other words, if the N-PBS Scheduler can find pairings that match all of your Followed By bid preferences, it awards you the pairings. However, if the N-PBS Scheduler can find pairings that match your first Followed By option, but nothing that matches the second Followed By option, none of the pairings are awarded.