- observe_edge_delete/2
 
                - 
                    An edge has been deleted Note that the Context for this notification does not have the user who deleted the edge.
                    
                
 
            
                - observe_edge_insert/2
 
                - 
                    An edge has been inserted. Note that the Context for this notification does not have the user who created the edge.
                    
                
 
            
                - observe_edge_update/2
 
                - 
                    An edge has been updated Note that the Context for this notification does not have the user who updated the edge.
                    
                
 
            
        
    
    
        
        
            
        
            
        
            
        
            
                
                    
                        Dispatch notifications
                    
                    Notifications
                    
                        E-mail notifications