async def get(self,request_configuration: Optional[RequestConfiguration[AdditionalAccessWithAccessPackageIdWithIncompatibleAccessPackageIdRequestBuilderGetQueryParameters]] = None) -> Optional[AdditionalAccessWithAccessPackageIdWithIncompatibleAccessPackageIdGetResponse]:
        """
        Invoke function additionalAccess
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: Optional[AdditionalAccessWithAccessPackageIdWithIncompatibleAccessPackageIdGetResponse]
        """
        request_info = self.to_get_request_information(
            request_configuration
        )
        from .....models.o_data_errors.o_data_error import ODataError

        error_mapping: dict[str, type[ParsableFactory]] = {
            "XXX": ODataError,
        }
        if not self.request_adapter:
            raise Exception("Http core is null") 
        from .additional_access_with_access_package_id_with_incompatible_access_package_id_get_response import AdditionalAccessWithAccessPackageIdWithIncompatibleAccessPackageIdGetResponse

        return await self.request_adapter.send_async(request_info, AdditionalAccessWithAccessPackageIdWithIncompatibleAccessPackageIdGetResponse, error_mapping)

        Invoke function additionalAccess
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: Optional[AdditionalAccessWithAccessPackageIdWithIncompatibleAccessPackageIdGetResponse]
        
msgraph/generated/identity_governance/entitlement_management/assignments/additional_access_with_access_package_id_with_incompatible_access_package_id/additional_access_with_access_package_id_with_incompatible_access_package_id_request_builder.py