code: function (db, index, term, field, cb) {
  			var url = host +
  				'databases/' + db +
  				'/suggest/' + index +
  				'?term=' + encodeURIComponent(term) +
  				'&field=' + field +
  				'&max=10&distance=Default&accuracy=0.5';
  			request(url, function (error, response, body) {
  				if (!error && response.statusCode === 200) {
  					var result = JSON.parse(body);
  					cb(null, result);
  				}
  				else {
  					cb(error || new Error(response.statusCode), null);
  				}
  			});
  		}
docs: Returns Suggestions for given query and fieldName.
  @param {string} db
  @param {string} index
  @param {string} term
  @param {string} field
  @param {Function} cb