example

.directive('myDirective', [function () {
        return {
            restrict : 'E',
            replace : true,
            controller: 'MyController',
            templateUrl : 'directives/myDirective.tpl.html',
            link : function (scope, elem, attrs, controller) {
                scope.message = 'Hello World!';
                controller.toto();
            }
        };
    }])

    .controller('MyController', [function ($scope, $element, $attrs, $log, $timeout) {

        
            $scope.toto = function(){
              console.log(lololool);
            }

        });
    }])

.directive('myDirective', [function () {
    return {
        restrict : 'E',
        replace : true,
        controller: 'MyController',
        controllerAs: 'vm'
        templateUrl : 'directives/myDirective.tpl.html',
        link : function (scope, elem, attrs, controller) {

            controller.toto();
        }
    };
}])

.controller('MyController', [function ($scope, $element, $attrs, $log, $timeout) {


        this.message = 'Hello world';

    });
}])