text: var Sistema_model = Backbone.Model.extend({
      defaults: {
          /*formRegister: {}*/
      }
      /*, initialize: function () {
          try {
             alert();
          } catch (exception) {
              console.log(exception);
          }
      }*/
      ,f_abrirAplicativoModel: function(arg_dataCollection){
          try{
              return $.ajax({
                  url: arg_dataCollection.to_url,
                  type: "POST",
                  data: {"data": arg_dataCollection}
              });
          } catch (exception) {
              console.log(exception);
          }
      },
      f_notificacionHorarios:function(){
          try{
              return $.ajax({
                  url: BASE_URL+'mis-postulaciones/notificaciones',
                  type: "POST"
              });
          } catch (exception) {
              console.log(exception);
          }
      }
  });