pylabrobot.brooks.precise_flex.PreciseFlex.request_parameter# async PreciseFlex.request_parameter(data_id: int, unit_number: int | None = None, sub_unit: int | None = None, array_index: int | None = None) → str# Get the value of a numeric parameter database item. Parameters: data_id (int) – DataID of parameter. unit_number (int | None) – Unit number, usually the robot number (1-NROB). sub_unit (int | None) – Sub-unit, usually 0. array_index (int | None) – Array index. Returns: str – The numeric value of the specified database parameter. Return type: str