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Commenting on an issue when a label is added

You can use GitHub Actions to automatically comment on issues when a specific label is applied.

Note: GitHub Actions was available for GitHub Enterprise Server 2.22 as a limited beta. The beta has ended. GitHub Actions is now generally available in GitHub Enterprise Server 3.0 or later. For more information, see the GitHub Enterprise Server 3.0 release notes.

Note: GitHub-hosted runners are not currently supported on GitHub Enterprise Server. You can see more information about planned future support on the GitHub public roadmap.


This tutorial demonstrates how to use the peter-evans/create-or-update-comment action to comment on an issue when a specific label is applied. For example, when the help-wanted label is added to an issue, you can add a comment to encourage contributors to work on the issue.

In the tutorial, you will first make a workflow file that uses the peter-evans/create-or-update-comment action. Then, you will customize the workflow to suit your needs.

Creating the workflow

  1. Choose a repository where you want to apply this project management workflow. You can use an existing repository that you have write access to, or you can create a new repository. Weitere Informationen zum Erstellen eines Repositorys findest Du unter „Ein neues Repository erstellen.“

  2. In your repository, create a file called .github/workflows/YOUR_WORKFLOW.yml, replacing YOUR_WORKFLOW with a name of your choice. This is a workflow file. For more information about creating new files on GitHub, see "Creating new files."

  3. Copy the following YAML contents into your workflow file.

    # This workflow uses actions that are not certified by GitHub.
    # They are provided by a third-party and are governed by
    # separate terms of service, privacy policy, and support
    # dokumentation.
    name: Add comment
          - labeled
        if: github.event.label.name == 'help-wanted'
        runs-on: ubuntu-latest
          - name: Add comment
            uses: peter-evans/create-or-update-comment@a35cf36e5301d70b76f316e867e7788a55a31dae
              issue-number: ${{ github.event.issue.number }}
              body: |
                This issue is available for anyone to work on. **Make sure to reference this issue in your pull request.** :sparkles: Thank you for your contribution! :sparkles:
  4. Customize the parameters in your workflow file:

    • Replace help-wanted in if: github.event.label.name == 'help-wanted' with the label that you want to act on. If you want to act on more than one label, separate the conditions with ||. For example, if: github.event.label.name == 'bug' || github.event.label.name == 'fix me' will comment whenever the bug or fix me labels are added to an issue.
    • Change the value for body to the comment that you want to add. GitHub flavored markdown is supported. For more information about markdown, see "Basic writing and formatting syntax."
  5. Commit your workflow file to the default branch of your repository. Weitere Informationen finden Sie unter „Neue Dateien erstellen“.

Testing the workflow

Every time an issue in your repository is labeled, this workflow will run. If the label that was added is one of the labels that you specified in your workflow file, the peter-evans/create-or-update-comment action will add the comment that you specified to the issue.

Test your workflow by applying your specified label to an issue.

  1. Open an issue in your repository. For more information, see "Creating an issue."
  2. Label the issue with the specified label in your workflow file. For more information, see "Managing labels."
  3. To see the workflow run triggered by labeling the issue, view the history of your workflow runs. For more information, see "Viewing workflow run history."
  4. When the workflow completes, the issue that you labeled should have a comment added.

Nächste Schritte: