HIU id missing at HIP request page to notify

https://dev.abdm.gov.in/gateway/v0.5/health-information/notify , need to hit notify where HIP is notifier and want to send notification to HIU to whom we are preparing & sending data.
“statusNotification” => [
“sessionStatus” => “TRANSFERRED”,
“hiuId” => $facilityId,
“statusResponses” => [
[
“careContextReference” => $care_referenceno,
“hiStatus” => “DELIVERED”,
“description” => “Data Transferred Successfully”
]
]
]
unable to find HIU ID if want to notify to HIU while sending data over datapush URL.
“hiuId” => $facilityId ?

Do we get HIU id at any callback url designed for HIP-M2 ?