def xnpv(self) -> XnpvRequestBuilder:
        """
        Provides operations to call the xnpv method.
        """
        from .xnpv.xnpv_request_builder import XnpvRequestBuilder

        return XnpvRequestBuilder(self.request_adapter, self.path_parameters)

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