diff --git a/src/modules_core/abc/events/on_member_join_abc.py b/src/modules_core/abc/events/on_member_join_abc.py
index 6d45f7a..51036e5 100644
--- a/src/modules_core/abc/events/on_member_join_abc.py
+++ b/src/modules_core/abc/events/on_member_join_abc.py
@@ -1,7 +1,12 @@
 from abc import ABC, abstractmethod
+import discord
 
 
 class OnMemberJoinABC(ABC):
 
     @abstractmethod
     def __init__(self): pass
+
+
+    @abstractmethod
+    async def on_member_join(self, member: discord.Member): pass