esriId.registerToken({
    server: 'https://www.arcgis.com/sharing/rest',
    token: sessionStorage.getItem('token'),
    userId: sessionStorage.getItem('user')
  });

  var portal = new Portal({
    authMode: 'immediate'
  });

  portal.load().then(function() {
    var query = {
      query: 'title:workers_ AND access:shared AND type:Feature Service'
    }
    portal.queryItems(query).then(function(queryResult) {
      workers = new FeatureLayer({
        title: 'Workers',
        refreshInterval: 0.1,
        portalItem: queryResult.results[0]
      });
      workers.when(function() {
        workers.makeTemplate();
        console.log(workers);
      });
      map.add(workers);
    });
  });

setInterval(function() {
    workers.refresh();
    console.log('hi');
}, 6000);