code: func (d *DataBagService) GetItem(databagName, databagItem string) (item DataBagItem, err error) {
  	path := fmt.Sprintf("data/%s/%s", databagName, databagItem)
  	err = d.client.magicRequestDecoder("GET", path, nil, &item)
  	return
  }
docs: // GetItem gets an item from a data bag
  //   Chef API Docs: http://docs.getchef.com/api_chef_server.html#id23