MetricSetService.addDynamicHierarchy Method
        
 Adds a dynamic hierarchy to a metric set.
 
         
        Parameters
        
            - metricSetId
            
 
            - 
                
Type: String
The ID of the metric set to add the dynamic hierarchy to. 
            - name
            
 
            - 
                
Type: String
(optional) The name of the new hierarchy to add. If left as null, the server will attempt to guess it.
Optional: True 
            - description
            
 
            - 
                
Type: String
(optional) The description of the new hierarchy.
Optional: True 
            - placement
            
 
            - 
                
Type: PlacementPosition
(optional) The placement position for the new hierarchy.
Optional: True 
        
        Return Value
        
Type: jQuery.Promise
        
Value: dundas.entities.MetricSet
        
A promise object that is resolved when the call is complete.
 If successful, the updated dundas.entities.MetricSet is returned.