Add GroupID type

1 files changed, 5 insertions, 0 deletions

diff --git a/synapse/types.py b/synapse/types.py

index 111948540d..b32c0e360d 100644
--- a/synapse/types.py
+++ b/synapse/types.py
@@ -156,6 +156,11 @@ class EventID(DomainSpecificString):
     SIGIL = "$"
 
 
+class GroupID(DomainSpecificString):
+    """Structure representing a group ID."""
+    SIGIL = "+"
+
+
 class StreamToken(
     namedtuple("Token", (
         "room_key",