steps:
  - uses: ravsamhq/notify-slack-action@master
    if: always()
    with:
      status: ${{ job.status }}
      notify_when: [failure] # default: [success, failure, warnings]
    env:
      SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }} # required
      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # optional