diff --git a/generate_event.py b/generate_event.py
new file mode 100644
index 0000000..b68f076
--- /dev/null
+++ b/generate_event.py
@@ -0,0 +1,61 @@
+#!/usr/bin/env python
+
+import argparse
+import json
+import sys
+import time
+
+
+TEMPLATES = {'patchset-created':
+             {"change": {"branch": "master",
+                         "commitMessage": "commit msg",
+                         "id": "I4558cc1a87488d4a385972c71c048c808cc6e1ef",
+                         "number": "691277",
+                         "owner": {"email": "j.doe@nonexistent.com",
+                                   "name": "John Doe",
+                                   "username": "jdoe"},
+                         "project": "foo",
+                         "status": "NEW",
+                         "subject": "create new patch",
+                         "url": "http://localhost:8181/1"},
+              "changeKey": {"id": "I4558cc1a87488d4a385972c71c048c808cc6e1ef"},
+              "eventCreatedOn": int(time.time()),
+              "patchSet": {"author": {"email": "j.doe@nonexistent.com",
+                                      "name": "John Doe",
+                                      "username": "jdoe"},
+                           "createdOn": int(time.time()) - 1000,
+                           "isDraft": False,
+                           "kind": "REWORK",
+                           "number": "1",
+                           "parents": ["559721d9"],
+                           "ref": "refs/changes/77/691277/1",
+                           "revision": "e3c8ac50",
+                           "sizeDeletions": -15,
+                           "sizeInsertions": 29,
+                           "uploader": {"email": "j.doe@nonexistent.com",
+                                        "name": "John Doe",
+                                        "username": "jdoe"}},
+              "project": "foo",
+              "refName": "refs/heads/master",
+              "type": "patchset-created",
+              "uploader": {"email": "j.doe@nonexistent.com",
+                           "name": "John Doe",
+                           "username": "jdoe"}}}
+
+
+def generate(args):
+    template = TEMPLATES[args.type]
+    json.dump(template, sys.stdout)
+    sys.stdout.write('\n')
+
+
+def main():
+    parser = argparse.ArgumentParser()
+
+    parser.add_argument('type', choices=TEMPLATES.keys())
+    args = parser.parse_args()
+    generate(args)
+
+
+if __name__ == "__main__":
+    main()