Character

0: Ability1
1: Ability2
2: Ability3
3: AbilityHKM
4: AbilityInteract
5: AbilityAux
6: AbilityMedical
13: AbilitySIN
16: AbilityCalldownVehicle // The client has been observed to ignore this in favor of sending ActivateConsumable if the vehicle is on the calldowns bar.
17: AbilityCalldownGlider