function sentStorage() {
           var file =  document.getElementById("myFile").files[0];
           url = 'https://www.googleapis.com/upload/storage/v1/b/XXX/o?uploadType=resumable&name=' + file.name;
             xhr = new XMLHttpRequest();

           var token = 'ya29.XXXXXXXXXXXXXXX';
           xhr.open('POST', url);
           xhr.setRequestHeader('Content-Type', file.type);

           // resumable
           //url = 'https://www.googleapis.com/upload/storage/v1/b/XXXXXX/o?uploadType=resumable&name=' + file.name;
           //xhr.setRequestHeader('Content-Type', 'application/json; charset=UTF-8');
           //xhr.setRequestHeader('Content-Length', file.size);


           xhr.setRequestHeader('x-goog-project-id', 'XXXXXXXXXX');
           xhr.setRequestHeader('Authorization', 'Bearer ' + token);

           xhr.send(file);

           xhr.onreadystatechange = function () {
               if (xhr.readyState === 4) {
                   var response = JSON.parse(xhr.responseText);
                   if (xhr.status === 200) {
                       alert('codigo 200');
                   } else {
                     var message = 'Error: ' + response.error.message;
                     console.log(message);
                       alert(message);

                   }
               }
           };
       }