P1 comms template
Channel
Slack / email / SMS — same copy. Sent after a human approves. Never auto-posted to customers.
Subject
P1 · [service] · [one-line impact] · next update [time + timezone]
Body
— what failed, in one sentence. No root cause guess.
— customers / regions / products. Numbers if known, “confirming” if not.
— who is on the bridge, vendor present Y/N.
— the one thing happening now.
— clock time, not “soon”.
— incident commander name + bridge link.
Do not
Blame. ETA you cannot keep. Customer-facing RCA in the first note. Anything a regulator should not read in Slack.