var app;
        return {
            restrict: /abc/g,
            replace: false,
            template: '<icon-identicon code="{{code}}" title="{{title}}" size="{{size}}"></icon-identicon>',
            scope: {
                fn: '@',
                size: '@'
            },
            link: function ($scope) {
                $scope.title = $scope.fn;
                $scope.code = chance[$scope.fn]();
            }
        };