diff --git a/src/modules_core/abc/events/on_guild_channel_pins_update_abc.py b/src/modules_core/abc/events/on_guild_channel_pins_update_abc.py
index 4dcbcb3..010e82f 100644
--- a/src/modules_core/abc/events/on_guild_channel_pins_update_abc.py
+++ b/src/modules_core/abc/events/on_guild_channel_pins_update_abc.py
@@ -1,7 +1,12 @@
 from abc import ABC, abstractmethod
+import discord
 
 
 class OnGuildChannelPinsUpdateABC(ABC):
 
     @abstractmethod
     def __init__(self): pass
+
+    @abstractmethod
+    async def on_guild_channel_pins_update(self, channel: discord.abc.GuildChannel, list_pin: Optional[datetime]): pass
+