RtlSubscribeForFeatureUsageNotification - NtDoc

#ifndef _NTRTL_H
#if (PHNT_VERSION >= PHNT_20H1)

// private
NTSYSAPI
NTSTATUS
NTAPI
RtlSubscribeForFeatureUsageNotification(
    _In_reads_(SubscriptionCount) PRTL_FEATURE_USAGE_SUBSCRIPTION_DETAILS SubscriptionDetails,
    _In_ SIZE_T SubscriptionCount
    );

#endif
#endif
View code on GitHub