value ARG1: The value to pop from the stack and store in the heap at VARNAME.<p/> Pops an item from the stack and stores it in the local variable named VARNAME.

# Store coordinate points in local variables. 
# The points are defined once and assigned to local variables. 
once 
	10 ->x1 
	20 ->y1 
	40 ->x2 
	50 ->y2 
endonce