Denizen/Commands/Animate
From Citizens Wiki
Animation list:
ARM_SWING (Punching)
CRIT (Critical Hit)
HURT (Injured)
MAGIC_CRIT (Critical Hit, caused by magic)
SIT (Sitting in a cart)
SLEEP (Sleeping on a bed)
SNEAK (Holding shift)
STOP_SITTING (Ends a sit)
STOP_SLEEPING (Ends a sleep)
STOP_SNEAKING (Ends a sneak)
... there might be others.