WmiSetSingleItemW - NtDoc

#ifndef _NTWMI_H

NTSYSAPI
ULONG
NTAPI
WmiSetSingleItemW(
    _In_ HANDLE DataBlockHandle,
    _In_ PCWSTR InstanceName,
    _In_ ULONG DataItemId,
    _In_ ULONG Reserved,
    _In_ ULONG ValueBufferSize,
    _In_reads_bytes_(ValueBufferSize) PVOID ValueBuffer
    );

#endif
View code on GitHub