It has built in triggers!
Trigger words are:
Rose1 :Cascade of particles come up and fall
Rose2 :Blow changing color particle dust.
Rose3 :Burst of illuminated particle dust
up :Your avatar fly's 5 feet and particles fall from feet.
whee : Your avatar jumps up 50 feet and floats back down
stand :Use this to stand/sit on human sized furniture
note: triggers are not case sensitive