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1. Install App

1

Add Integration

Go to Flashduty On-call Integration Center → Instant Messaging → Slack, click Add.
2

Authorize App

On the redirected Slack page, select Workspace in the top right corner, then click Allow.2025-09-18-15-03-58
3

Save Configuration

Enter data source name, click Save.

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2. Configure War Room

After completing the previous steps, in the Flashduty On-call integration configuration page’s Enhanced Features section, check Enable War Room to activate this feature—no additional configuration needed.

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3. FAQ

  • Ensure the Install App step completed successfully without errors
  • Go to the relevant Slack channel, execute /invite @Flashduty command
  • When you see joined or added by xxx to xxx prompt, it means successfully added
  • Add the app authorizer to the public channel
  • Follow the method from the previous question to add the app to the channel
Please try again. This may be due to server-Slack communication exception causing authorization failure. Return to the add data source page and retry. If the error persists after retry, please contact customer service.
Please try again. This may be due to Flashduty server communication exception with Slack when obtaining permanent authorization code. Return to the add data source page and retry. If the error persists after retry, please contact customer service.
Please try again, this may be a temporary Slack service issue. If the error persists after retry, please contact customer service.
Please try again. This may be server-Slack communication timeout. If the error persists after retry, please contact customer service.
Please try again. This may be a Flashduty On-call server error (e.g., data source was disabled). If the error persists after retry, please contact customer service.
Please try again. If the error persists after retry, please contact customer service to log and resolve new issues.
  • For previously authorized Slack IM integrations, you need to manually re-authorize Slack in the Flashduty On-call integration configuration page for the app to obtain additional permissions required for War Room functionality
  • See the FAQ section in War Room documentation