merged-notification.yml

name: Merged notification

on:
  pull_request_target:
    types:
      - closed

jobs:
  comment:
    if: github.event.pull_request.merged
    runs-on: ubuntu-latest
    steps:
      - uses: actions/github-script@v6
        with:
          github-token: ${{secrets.GITHUB_TOKEN}}
          script: |
            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: 'Thanks for contributing!'
            })