exports.install = function() { F.route('/users/', json_users); F.route('/', json_users, ['proxy']); }; function json_users() { var self = this; var users = [ { name: 'Peter', age: 30 }, { name: 'Jano', age: 23 }, { name: 'Lucia', age: 32 }, { name: 'Igor', age: 34 }, { name: 'Libor', age: 24 }, { name: 'Tomas', age: 34 }, { name: 'Martin', age: 49 }, { name: 'Ivan', age: 29 } ]; var output = users.where(n => n.age > self.body.age); self.json(output); };