Posts to PROMPT_ALERTS_SLACK_WEBHOOK_URL, which must be an incoming webhook (/services/…): a Workflow Builder trigger validates the body against its own declared variables and 400s. Fire-and-forget — skips when unconfigured and never throws.
PROMPT_ALERTS_SLACK_WEBHOOK_URL
/services/…
Posts to
PROMPT_ALERTS_SLACK_WEBHOOK_URL, which must be an incoming webhook (/services/…): a Workflow Builder trigger validates the body against its own declared variables and 400s. Fire-and-forget — skips when unconfigured and never throws.