angularjs - Call method on Controller after dialog closes -

i trying open dialog user can enter name , call method on controller passing result dialog.

class mycontroller {      constructor(public $scope, public $dialog) {     }      addnew() {          var t = '<form name="form" novalidate><div class="modal-header">' +           '<h3>nova mapa</h3>' +           '</div>' +           '<div class="modal-body">' +           '<p>name: <input ng-model="result" type="text" required/></p>' +           '</div>' +           '<div class="modal-footer">' +           '<button ng-click="close()" class="btn btn-primary" >close</button>' +           '<button ng-click="close(result)" class="btn btn-primary" ng-disabled="form.$invalid">save</button>' +           '</div><form>';          this.$scope.opts = {             backdropclick: false,             template: t,             controller: 'addnewdialog'         };           var d = this.$dialog.dialog(this.$scope.opts);         d.open().then(function (result) {             if (result) {                 // not work                  this.addnewinternal(result)             }         });     }      private addnewinternal(description: string) {         //logic here      }; }  function addnewdialog     ($scope, dialog) {     $scope.close = () => {         $scope.close(undefined);     }     $scope.close = (result) => {         dialog.close(result);     }; } 

i error "object doesn't support property or method 'addnewinternal' " can please me solve problem? thank you