Activate System extension only after reboot

When submitting a request for System extension activation, the delegate receive a OSSystemExtensionRequestResult
result code.
The enum contains two values:

• OSSystemExtensionRequestCompleted

• OSSystemExtensionRequestWillCompleteAfterReboot

When I upgrade my system extension, I always receive OSSystemExtensionRequestCompleted. Is there anyway I could specify that I want the new system extension to be activated only after a reboot?

Thanks