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Slack is a channel that posts incident cards into a Slack conversation. Use it for a shared room the team already watches. Opened incidents include an Acknowledge button on the card.

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What you need

You need admin access to the Slack workspace so you can create an app and add an incoming webhook. A dedicated #incidents channel is recommended.
Treat the webhook URL like a password. Anyone with it can post to that Slack channel.

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Connect

1

Create an incoming webhook

At , create an app from scratch, enable Incoming Webhooks, add it to a channel, and copy the URL.
2

Add the channel in Tallwatch

In , add Slack, paste the URL (or use Connect Slack if you see it), save, and Send test. Confirm a message lands in the Slack channel you picked.
3

Use it on a policy

Add the channel as Alert via on an step, and attach the monitors that should use that policy. A monitor with no policy stays silent.

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After a test

A successful test is a message in the Slack channel you selected. Opened incidents include an Acknowledge button. If it is missing, ack from the .