diff --git a/.github/workflows/greetings.yml b/.github/workflows/greetings.yml
new file mode 100644
index 0000000..cbc0b4e
--- /dev/null
+++ b/.github/workflows/greetings.yml
@@ -0,0 +1,16 @@
+name: Greetings
+
+on: [pull_request_target, issues]
+
+jobs:
+  greeting:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      pull-requests: write
+    steps:
+    - uses: actions/first-interaction@v1
+      with:
+        repo-token: ${{ secrets.GITHUB_TOKEN }}
+        issue-message: "🎊 Thank you for your first issue in WarpX-tutorials!"
+        pr-message: "🎉 Thank you for your first pull request in WarpX-tutorials!"