1 files changed, 7 insertions, 0 deletions
diff --git a/synapse/api/events/__init__.py b/synapse/api/events/__init__.py
index f9653e0b2a..bf8d288acc 100644
--- a/synapse/api/events/__init__.py
+++ b/synapse/api/events/__init__.py
@@ -152,3 +152,10 @@ class SynapseEvent(JsonEncodedObject):
                         msg = self._check_json(entry, template[key][0])
                         if msg:
                             return msg
+
+
+class SynapseStateEvent(SynapseEvent):
+     def __init__(self, **kwargs):
+        if "state_key" not in kwargs:
+            kwargs["state_key"] = ""
+        super(SynapseStateEvent, self).__init__(**kwargs)