1 files changed, 1 insertions, 0 deletions

diff --git a/synapse/api/constants.py b/synapse/api/constants.py

index 1ff1af76ec..2af5424029 100644
--- a/synapse/api/constants.py
+++ b/synapse/api/constants.py
@@ -23,6 +23,7 @@ class Membership(object):
     JOIN = u"join"
     KNOCK = u"knock"
     LEAVE = u"leave"
+    LIST = (INVITE, JOIN, KNOCK, LEAVE)
 
 
 class Feedback(object):