With branch filtering, you can apply a DITAVAL file to a subset of
		content in a map, which is used when generating an output to filter that subset according to
		its conditions. 
		
			To insert a ditavalref element: 
 
		- 
				Open the map in the DITA Map view. 
			
 - 
                Click the DITA Map
                    view’s Menu button. 
 
                The view's pull-down menu appears.
             - 
                Select Show elements. 
                
            
 - 
				Lock the map.
			
 - 
				Right-click on a valid element in which you want to insert the
					
ditavalref element and click Insert Ditavalref. 
			 - 
				In the Ditaval dialog
					box, click the DITAVAL file that you want to use and click OK.
			
 - 
				Release the map.