CanvasViewModelTransaction.enroll Method
        
 Enroll a viewmodel into the transaction. If total number of enrolled viewmodel has reached expectedCommits, automatically run all enrolled functions.
 
         
        Parameters
        
            - callback
            
 
            - 
                
Type: Function
A function to enroll. 
            - doNotRaise
            
 
            - 
                
Type: boolean - May be null
(Optional) True to not raise event on viewmodel.