diff --git a/.github/workflows/auth.yml b/.github/workflows/auth.yml
new file mode 100644
index 00000000..9c9474f3
--- /dev/null
+++ b/.github/workflows/auth.yml
@@ -0,0 +1,15 @@
+name: Reusable workflow (Authorize)
+
+on:
+  workflow_call:
+
+jobs:
+  authorize:
+    runs-on: ubuntu-latest
+    environment: ${{ github.event_name == 'pull_request_target' && github.event.pull_request.head.repo.full_name != github.repository && 'external' || 'internal' }}
+
+    steps:
+      - name: Echo
+        run: |
+          echo "External pull request approved by code owners"
+