this is a failure :'(

src/matrix_bot/client.py

@@ -144,6 +144,62 @@ class Client(Aobject):
         }
         await self.__send_message(room, msg)
 
+    async def send_firework_message(
+        self,
+        room: Union[RoomAlias, RoomId],
+        message: str,
+    ):
+        """
+            Send message with the firework effect.
+        """
+        msg = {
+            "body": message,
+            "msgtype": "nic.custom.fireworks"
+        }
+        await self.__send_message(room, msg)
+
+    async def send_confetti_message(
+        self,
+        room: Union[RoomAlias, RoomId],
+        message: str,
+    ):
+        """
+            Send message with the confetti effect.
+        """
+        msg = {
+            "body": message,
+            "msgtype": "nic.custom.confetti"
+        }
+        await self.__send_message(room, msg)
+
+    async def send_snow_message(
+        self,
+        room: Union[RoomAlias, RoomId],
+        message: str,
+    ):
+        """
+            Send message with the snowfall effect.
+        """
+        msg = {
+            "body": message,
+            "msgtype": "io.element.effect.snowfall"
+        }
+        await self.__send_message(room, msg)
+
+    async def send_space_invader_message(
+        self,
+        room: Union[RoomAlias, RoomId],
+        message: str,
+    ):
+        """
+            Send message with the space invader effect.
+        """
+        msg = {
+            "body": message,
+            "msgtype": "io.element.effects.space_invaders"
+        }
+        await self.__send_message(room, msg)
+
     async def __save_sync_tocken(self)->NoReturn:
         """
             Save the sync token.

tests/test.py

@@ -28,6 +28,14 @@ async def main():
     room_name = withelisted_room_names[0]
     client.set_invite_policy(whitelist_policy)
     await client.send_message(room_name, "Beware of Greeks bearing gifts")
+    await asyncio.sleep(5)
+    await client.send_firework_message(room_name, "fire")
+    await asyncio.sleep(5)
+    await client.send_confetti_message(room_name, "confetti")
+    await asyncio.sleep(5)
+    await client.send_snow_message(room_name, "snow")
+    await asyncio.sleep(5)
+    await client.send_space_invader_message(room_name, "space")
     await client.run()