diff --git a/src/modules_core/abc/events/on_reaction_add_abc.py b/src/modules_core/abc/events/on_reaction_add_abc.py
index 308721d..c168222 100644
--- a/src/modules_core/abc/events/on_reaction_add_abc.py
+++ b/src/modules_core/abc/events/on_reaction_add_abc.py
@@ -1,7 +1,12 @@
 from abc import ABC, abstractmethod
+import discord
 
 
 class OnReactionAddABC(ABC):
 
     @abstractmethod
     def __init__(self): pass
+
+    @abstractmethod
+    async def on_reaction_add(self, reaction: discord.Reaction, user: discord.User): pass
+    
\ No newline at end of file