ydb/.github/workflows/label_external_issues.yml

name: Label issue from external users
on:
  issues:
    types: [opened]

jobs:
  label-external-issues:
    name: Label issue from external user
    runs-on: ubuntu-latest
    # https://docs.github.com/en/graphql/reference/enums#commentauthorassociation
    if: ${{ !contains(fromJson('["MEMBER", "OWNER", "COLLABORATOR"]'), github.event.issue.author_association) }}
    steps:
      - name: add external label
        uses: actions/github-script@v7
        with:
          script: |
            github.rest.issues.addLabels({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              labels: ['external']
            })