Promoter scheduling by official shift codes. Tap a day box and pick the shift — M codes (morning) and N codes (noon) show time in / time out. For bulk entry, pick a code in Fast fill, switch it on, and tap or drag across days. Every M/N shift = 1 shift day. Tap Save roster to keep it in the Saved rosters list. Rosters save on this device only — tap Send to manager to pass it back.