--arg stringArray argument key=value passed when the trigger fires (repeatable)
--cron cron-scheduled trigger
-h, --help help for add
--path string file path to watch
--schedule string cron schedule, 5-field (e.g. "0 */6 * * *")
--token string shared secret required on webhook POSTs (X-Buttons-Token or ?token=)
--watch file-watch trigger
--webhook webhook (HTTP POST) trigger
--webhook-path string URL path for the webhook (e.g. /hooks/deploy)