DataCubeCanvasService.setGroupPosition Method
        
 Sets the group's position. 
 
         
        Parameters
        
            - groupName
            
 
            - 
                
Type: String
 The name of the group. 
            - newLeft
            
 
            - 
                
Type: Number - May be null
(Optional) The new left position in background position, or template position if the group is in a template cell, or Null to remain unchanged 
            - newTop
            
 
            - 
                
Type: Number - May be null
(Optional) The new top position in background position, or template position if the group is in a template cell, or Null to remain unchanged. 
            - isNotUndoable
            
 
            - 
                
Type: Boolean
(Optional) True to make this action not undoable.