This is a simplified progress bar, a single (dynamic) message, without progress units.

cli_progress_step(
msg,
msg_done = msg,
msg_failed = msg,
spinner = FALSE,
)
msg Message to show. It may contain glue substitution and cli styling. It can be updated via cli_progress_update(), as usual. It is style as a cli info alert (see cli_alert_info()). Message to show on successful termination. By default this it is the same as msg and it is styled as a cli success alert (see cli_alert_success()). Message to show on unsuccessful termination. By default it is the same as msg and it is styled as a cli danger alert (see cli_alert_danger()). Whether to show a spinner at the beginning of the line. To make the spinner spin, you'll need to call cli_progress_update() regularly. cli class to add to the message. By default there is no class for steps with a spinner. Passed to cli_progress_bar(). Passed to cli_progress_bar(). Passed to cli_progress_bar(). Passed to cli_progress_bar().
cli_progress_step() always shows the progress message, even if no update is due.