async def METHOD_NAME(self, ctx, *, query: str):
    """Plays a file from the local filesystem"""
    await self.ensure_voice(ctx)
    source = disnake.PCMVolumeTransformer(disnake.FFmpegPCMAudio(query))
    ctx.voice_client.METHOD_NAME(source, after=lambda e: print(f"Player error: {e}") if e else None)
    await ctx.send(f"Now playing: {query}")