diff --git a/lib/jam_ruby/message_factory.rb b/lib/jam_ruby/message_factory.rb
index 0e0edf233..6195ec3d5 100644
--- a/lib/jam_ruby/message_factory.rb
+++ b/lib/jam_ruby/message_factory.rb
@@ -83,6 +83,12 @@ module JamRuby
       return Jampb::ClientMessage.new(:type => ClientMessage::Type::USER_JOINED_JAM_SESSION, :target => CLIENT_TARGET, :user_joined_jam_session => joined)
     end
 
+		# create a test message to send in session
+		def test_session_message(session_id, msg)
+			test = Jampb::TestSessionMessage.new(:msg => msg)
+      return Jampb::ClientMessage.new(:type => ClientMessage::Type::TEST_SESSION_MESSAGE, :target => SESSION_TARGET_PREFIX + session_id, :test_session_message => test)
+		end
+
 		# create a heartbeat
     def heartbeat()
       heartbeat = Jampb::Heartbeat.new