diff --git a/src/telemetry_frontend/tests/Messages.py b/src/telemetry_frontend/tests/Messages.py
index d63422b72d1339bf5c3336f7b481c03191957b1c..877781b7911d2fdd7389af2a30abe985ae52d803 100644
--- a/src/telemetry_frontend/tests/Messages.py
+++ b/src/telemetry_frontend/tests/Messages.py
@@ -28,3 +28,7 @@ def create_collector_request(coll_id_str):
     _create_collector_request.duration_s                     = float(-1)
     _create_collector_request.interval_s                     = float(-1)
     return _create_collector_request
+
+def create_collector_filter(filter):
+    _create_collector_filter = telemetry_frontend_pb2.CollectorFilter()
+    
\ No newline at end of file