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Acknowledging a PagerDuty page

The on-call engineer's first action on any page is to acknowledge in PagerDuty so the escalation timer stops. They post a status update naming the service under investigation and pivot to the linked Datadog monitor in a new tab.

Category
Tags
on-callpagerdutyacknowledgefirst-responseincident-timeline
What and why
The observed behaviour and the reasoning behind it.
Behaviour
Reasoning
Cause and effect
What initiates this pattern and what it produces.
Trigger
Outcome
Standard operating procedure
Step-by-step instructions to reproduce this pattern.
1

PagerDuty

Open the incident detail page from the PagerDuty notification email or push.

Use the link in the email or push notification rather than navigating from the incidents list. The link carries the incident ID, the originating monitor and the time the page fired, all of which the manual route loses.

Expected: The incident detail page loads showing the alert payload, the originating monitor and the current escalation timer.

2

PagerDuty

Click Acknowledge in the top right of the incident detail page.

If the page came in on the phone first, re-acknowledge from the desktop within 5 minutes. The mobile ack records you as responder but the timeline note in the next step requires a desktop session.

Expected: The incident status changes to Acknowledged, your name appears as the responder and the auto-escalation countdown stops.

3

PagerDuty

Click 'Add Status Update' on the incident timeline and write one short line naming the affected service and your immediate next step.

Example: 'Investigating elevated 5xx on api-gateway, opening Datadog now.' Keep it under 120 characters so it fits the timeline preview without truncation.

Expected: The status update appears as a timeline entry with your name and a timestamp, visible to anyone who opens the incident.

4

PagerDuty

Click the 'View in Datadog' link in the alert details and let it open in a new tab.

Use ⌘ click or middle click so the PagerDuty tab stays open. The Datadog link carries the exact monitor, the alert time and a 1 hour scope. Navigating to Datadog from the bookmarks bar loses all three and you end up looking at the wrong dashboard.

Expected: The Datadog monitor detail page opens in a new tab, scoped to the time the page fired.

Supporting actions
Actions that provide evidence for this pattern.
Acked PD-PT4ZXKR for api-gateway 5xx spike
Status update on PD-PT4ZXKR: investigating, Datadog open
Acked Q9HK22N from mobile, re-acked at desktop a minute later
Acked PD-PT5MN8L on the checkout-service latency monitor
Acked payments-service page, posted 'looking now' on timeline
Metadata
Timestamps and identifiers.
EvidenceObserved 67 times across 5 connections
ApplicationsPagerDuty, Datadog
First seen22 Jan 2026, 08:14
Last seen6 May 2026, 22:41
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