Even i tried with ontimer() function as given in help document of vizard. But i cant get any output from that.  It was simply static 
 
import vizact 
 
def Blink_Detection() 
    print 'inside blink detection function' 
    ............ 
    some process........... 
    .................... 
 
vizact.ontimer2(3,3,Blink_Detection) 
 
 
but this code does not give any output. Could you please correct me where i should change my mistakes in the code. And also help me to add another function along with my code (say RegionofInterest())  
 
thank you,
		 
		
		
		
		
		
		
		
		
	
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