def by_application_id(self,application_id: str) -> ApplicationItemRequestBuilder:
        """
        Provides operations to manage the collection of application entities.
        param application_id: The unique identifier of application
        Returns: ApplicationItemRequestBuilder
        """
        if application_id is None:
            raise TypeError("application_id cannot be null.")
        from .item.application_item_request_builder import ApplicationItemRequestBuilder

        url_tpl_params = get_path_parameters(self.path_parameters)
        url_tpl_params["application%2Did"] = application_id
        return ApplicationItemRequestBuilder(self.request_adapter, url_tpl_params)

        Provides operations to manage the collection of application entities.
        param application_id: The unique identifier of application
        Returns: ApplicationItemRequestBuilder
        
msgraph/generated/applications/applications_request_builder.py