def unsubscribe_by_mail(self) -> UnsubscribeByMailRequestBuilder:
        """
        Provides operations to call the unsubscribeByMail method.
        """
        from .unsubscribe_by_mail.unsubscribe_by_mail_request_builder import UnsubscribeByMailRequestBuilder

        return UnsubscribeByMailRequestBuilder(self.request_adapter, self.path_parameters)

        Provides operations to call the unsubscribeByMail method.
        
msgraph/generated/groups/item/group_item_request_builder.py