1 files changed, 3 insertions, 0 deletions
diff --git a/synapse/config/experimental.py b/synapse/config/experimental.py
index 7687c80ea0..6599679731 100644
--- a/synapse/config/experimental.py
+++ b/synapse/config/experimental.py
@@ -191,3 +191,6 @@ class ExperimentalConfig(Config):
 
         # MSC2659: Application service ping endpoint
         self.msc2659_enabled = experimental.get("msc2659_enabled", False)
+
+        # MSC3970: Scope transaction IDs to devices
+        self.msc3970_enabled = experimental.get("msc3970_enabled", False)