async def get_supported_playback_functions(
        self, uri=""
    ) -> List[SupportedFunctions]:
        """Return list of inputs and their supported functions."""
        return [
            SupportedFunctions.make(**x)
            for x in await self.services["avContent"]["getSupportedPlaybackFunction"](
                uri=uri
            )
        ]
async def get_supported_playback_functions ( self , uri = "" ) -> List [ SupportedFunctions ] : return [ SupportedFunctions . make ( ** x ) for x in await self . services [ "avContent" ] [ "getSupportedPlaybackFunction" ] ( uri = uri ) ]
Return list of inputs and their supported functions.