Add mention property to PartialMessageable

discord/channel.py

@@ -4589,6 +4589,14 @@ class PartialMessageable(discord.abc.Messageable, Hashable):
         """
         return Permissions.none()
 
+    @property
+    def mention(self) -> str:
+        """:class:`str`: Returns a string that allows you to mention the channel.
+
+        .. versionadded:: 2.5
+        """
+        return f'<#{self.id}>'
+
     def get_partial_message(self, message_id: int, /) -> PartialMessage:
         """Creates a :class:`PartialMessage` from the message ID.