diff --git a/src/ss/member_session.rs b/src/ss/member_session.rs
index d63da7a..f6b2952 100644
--- a/src/ss/member_session.rs
+++ b/src/ss/member_session.rs
@@ -1,3 +1,9 @@
+const SUBJECT: &str = "bet.beteran.ss.member_session";
+
+pub const SUBJECT_GET_MEMBER_SESSION: &str = const_format::concatcp!(SUBJECT, ".GetMemberSession");
+pub const SUBJECT_GET_MEMBER_SESSION_WITH_RENEWAL: &str =
+  const_format::concatcp!(SUBJECT, ".GetMemberSessionWithRenewal");
+
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct GetMemberSessionRequest {
   #[prost(message, optional, tag = "1")]