1 files changed, 2 insertions, 0 deletions
diff --git a/synapse/appservice/__init__.py b/synapse/appservice/__init__.py
index a96cdbf1e7..6ee5240c4e 100644
--- a/synapse/appservice/__init__.py
+++ b/synapse/appservice/__init__.py
@@ -87,6 +87,7 @@ class ApplicationService:
         ip_range_whitelist: Optional[IPSet] = None,
         supports_ephemeral: bool = False,
         msc3202_transaction_extensions: bool = False,
+        msc4190_device_management: bool = False,
     ):
         self.token = token
         self.url = (
@@ -100,6 +101,7 @@ class ApplicationService:
         self.ip_range_whitelist = ip_range_whitelist
         self.supports_ephemeral = supports_ephemeral
         self.msc3202_transaction_extensions = msc3202_transaction_extensions
+        self.msc4190_device_management = msc4190_device_management
 
         if "|" in self.id:
             raise Exception("application service ID cannot contain '|' character")