def iso_ceiling(self) -> Iso_CeilingRequestBuilder:
        """
        Provides operations to call the iso_Ceiling method.
        """
        from .iso_ceiling.iso_ceiling_request_builder import Iso_CeilingRequestBuilder

        return Iso_CeilingRequestBuilder(self.request_adapter, self.path_parameters)

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