def by_company_subscription_id(self,company_subscription_id: str) -> CompanySubscriptionItemRequestBuilder:
        """
        Provides operations to manage the subscriptions property of the microsoft.graph.directory entity.
        param company_subscription_id: The unique identifier of companySubscription
        Returns: CompanySubscriptionItemRequestBuilder
        """
        if company_subscription_id is None:
            raise TypeError("company_subscription_id cannot be null.")
        from .item.company_subscription_item_request_builder import CompanySubscriptionItemRequestBuilder

        url_tpl_params = get_path_parameters(self.path_parameters)
        url_tpl_params["companySubscription%2Did"] = company_subscription_id
        return CompanySubscriptionItemRequestBuilder(self.request_adapter, url_tpl_params)

        Provides operations to manage the subscriptions property of the microsoft.graph.directory entity.
        param company_subscription_id: The unique identifier of companySubscription
        Returns: CompanySubscriptionItemRequestBuilder
        
msgraph/generated/directory/subscriptions/subscriptions_request_builder.py