You can detect the general direction of the enemy character nearest to yours. Upon detection, your character will turn in the direction of the nearest enemy.
missionobjvar.Mission_SetVar('ffq_trackingCS', 'senseOminousEvent')will call
senseOminousEvent(char)Important: after calling your function, reset missionobjvar.Mission_SetVar('ffq_trackingCS', '') to avoid triggering your function more than once.