#' @param fid The alphanumeric form ID, e.g. "build_Spotlighting-0-8_1559885147".
#'
#'   Default: \code{\link{get_default_fid}}.
#'
#'   Set default \code{fid} through \code{ru_setup(fid="...")}.
#'
#'   See \code{vignette("Setup", package = "ruODK")}.
