async def get(self,request_configuration: Optional[RequestConfiguration[FillRequestBuilderGetQueryParameters]] = None) -> Optional[WorkbookChartFill]:
        """
        Represents the fill format of an object, which includes background formating information. Read-only.
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: Optional[WorkbookChartFill]
        """
        request_info = self.to_get_request_information(
            request_configuration
        )
        from .............models.o_data_errors.o_data_error import ODataError

        error_mapping: dict[str, type[ParsableFactory]] = {
            "XXX": ODataError,
        }
        if not self.request_adapter:
            raise Exception("Http core is null") 
        from .............models.workbook_chart_fill import WorkbookChartFill

        return await self.request_adapter.send_async(request_info, WorkbookChartFill, error_mapping)

        Represents the fill format of an object, which includes background formating information. Read-only.
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: Optional[WorkbookChartFill]
        
msgraph/generated/drives/item/items/item/workbook/worksheets/item/charts/item/legend/format/fill/fill_request_builder.py