text: var image = new ee.Image(new ee.ImageCollection('LANDSAT/LC8_L1T_TOA').first());
  
  var region = JSON.stringify(image.select(0).geometry().bounds().getInfo())
  
  print(region)
  
  var params = {
    element: image.select(0),
    type: 'EXPORT_IMAGE',
    description: 'test',
    fileFormat: 'GEO_TIFF',
    region:region,
    //crs:'EPSG:4326',
    dimensions:'100x100',
    //scale: 30,
    driveFileNamePrefix:'test'
  }
  
  var taskId = ee.data.newTaskId(1)
  
  ee.data.startProcessing(taskId, params);
  