diff --git a/Source/Client/Session.h b/Source/Client/Session.h
index 87f0ee99..65a48860 100644
--- a/Source/Client/Session.h
+++ b/Source/Client/Session.h
@@ -618,6 +618,7 @@ public:
   const char* GetBgmFileName(const char* rswName);
   const char* GetMapDisplayName(const char* mapName);
   const char* GetPlayerMapDisplayName();
+  std::uint32_t GetPartyMemberAid(const char* name);
   bool HasItem17D4(int itemId) const;
   bool IsFriendName(const char* name) const;
   bool RemoveFriendByCharacterId(std::uint32_t characterId);
diff --git a/Source/Contents/ClientTiming.cpp b/Source/Contents/ClientTiming.cpp
index 3bf5e328..eea11d44 100644
--- a/Source/Contents/ClientTiming.cpp
+++ b/Source/Contents/ClientTiming.cpp
@@ -434,6 +434,18 @@ const char* CSession::GetMapDisplayName(const char* mapName) {
   return g_mapInfoMgr->GetDisplayName(mapName);
 }
 
+// OFFSET: 0x00DDE800
+// FUNCTION: fn_23400
+std::uint32_t CSession::GetPartyMemberAid(const char* name) {
+  for (const MessengerMember& member : this->m_partyMembers) {
+    if (member.name == name) {
+      return member.accountId;
+    }
+  }
+
+  return 0;
+}
+
 // OFFSET: 0x00DE0A50
 // FUNCTION: fn_23466
 std::uint32_t CSession::GetServerTime() {