def leftb(self) -> LeftbRequestBuilder:
        """
        Provides operations to call the leftb method.
        """
        from .leftb.leftb_request_builder import LeftbRequestBuilder

        return LeftbRequestBuilder(self.request_adapter, self.path_parameters)

        Provides operations to call the leftb method.
        
msgraph/generated/drives/item/items/item/workbook/functions/functions_request_builder.py