[Source] any [Description] Immediately cancels any prompt or fetch audio that is playing and clears the queue. [Event] 
cancel
q u e u e P r o m p t
q u e u e F e t c h A u d i o
p l a y
c h a n g e P a r a m e t e r
c a n c e l F e t c h A u d i o
c a n c e l