def METHOD_NAME(self, device, device_settings):
    """Validates the config when in a show"""
    validated_dict = super().METHOD_NAME(device, device_settings)
    # device is track name
    # Ensure volume parameter value has been provided for 'set_volume' actions
    if validated_dict[device]['action'] == 'set_volume' and \
            validated_dict[device]['volume'] is None:
        raise ValueError("track_player: 'volume' must be provided for all 'set_volume' "
                         "actions ({} track)".format(device))
    if validated_dict[device]['fade'] < 0:
        raise ValueError("track_player: 'fade' must be greater than or equal to zero for all "
                         "actions ({} track)".format(device))
    return validated_dict