diff --git a/cloud-function/main.py b/cloud-function/main.py
new file mode 100644
index 0000000000..e14e3d9aba
--- /dev/null
+++ b/cloud-function/main.py
@@ -0,0 +1,20 @@
+from flask import Flask, request
+app = Flask(__name__)
+
+@app.route('/hello', methods=['POST'])
+def hello_world():
+    """Responds to any HTTP request.
+    Args:
+        request (flask.Request): HTTP request object.
+    Returns:
+        The response text or any set of values that can be turned into a
+        Response object using
+        `make_response <http://flask.pocoo.org/docs/1.0/api/#flask.Flask.make_response>`.
+    """
+    request_json = request.get_json()
+    if request.args and 'message' in request.args:
+        return request.args.get('message')
+    elif request_json and 'message' in request_json:
+        return request_json['message']
+    else:
+        return f'Hello World2!'