Stores an array containing the indices of the polygons of the "self" object that are inside the connected null, using the
            specified attribute name. 
         
          Tasks: Topology/Getters 
         
          Output Ports: Execute 
         
            
               
                  
                  
               
               
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                      |  The null within which the polygons must be to be included in the array. The null's icon must be a 3D geometry shape for this
                        to work: change the Primary Display Icon of the null in its property editor. Plug the null's Output Name output into this
                        port. 
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                      | Specify the attribute name to store the array.  |