Slack has 1 message per second rate limiter. Sometimes the Slack API could allows more higher rate but in general Slack shouldn't be used for notifications with an high volume of messages (e.g. ErrorOccurrenceNotification).
Navigate to the project you want to integrate with Slack.
Click Settings → Notifications Channels
Click Configure in the Slack channel to open the configuration screen
Click Connect with Slack
Allow Inspector app to interact with your Slack account.
Slask authorization screen
Select the channel or group you wish to receive messages for
Select the notifications you want receive
Slack channel settings
Click Save to confirm your configuration.
Slack is now integrated with Inspector and you'll receive monitoring notifications directly in your Slack workspace.
If you want to disable the channel click "Disconnect" and confirm your choise.