[Observation] Holds crotch and says “Teacher” until told OK to proceed to the bathroom. [Intentional] yes [Function of Message] Wants permission. [Means] 
speech + gesture
s p e e c h + g e s t u r e
b e h a v i o r a l
e c h o l a l i a
c o m m u n i c a t i o n b o o k
s p e e c h r o u t i n e