Angular JS - Exposing Controller Function outside the module via onClick function call

Exposing Controller Function outside the module via onClick function call For re-using already defined onClick functions

HTML

<link rel="stylesheet" href="http://netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css">
<div ng-app="myapp">
         <div ng-controller="Controller">
          <div my-customer></div>
        </div>
      </div>

JavaScript

angular.module('myapp', [])
         .controller('Controller', ['$scope', function($scope) {
         }])
         .directive('myCustomer', function() {
             return {
             template: 'hello yến ',
             restrict: "E"
             };
         });