insertGS : function(component, groupstructures, callback) {

        //call apex to save the newly created group structures
        var action = component.get("c.saveGroupStructure");
            action.setParams({gs: groupstructures
            });

  $A.enqueueAction(action);

  ///This part of code is used to navigate back to the GroupStructuresList Component
        //variable to hold the account id for my naviagation back to original component
        var recordId = component.get("v.existinggroupstructure.Account__c")
        //set urlEvent Variable to navigate back to the original component
         var urlEvent = $A.get("e.force:navigateToURL");
        urlEvent.setParams({
            "url" : "lightning/n/Group_Structures_List?//Aid=" + recordId + "&Tid=123456789"
        });
        ///navigate back to groupstructures page
        urlEvent.fire();


        },