Win32_GroupUser - The Win32_GroupUser class represents an association between a group and an account that is a member of that group.

Win32_GroupUser
The Win32_GroupUser class represents an association between a group and an account that is a member of that group.
NameSpace Path
\ROOT\CIMV2
PROPERTY	SMS_REPORT	CIMTYPE	DESCRIPTION
GroupComponent		Reference	The GroupComponent reference represents a group that the account is a member of.
PartComponent		Reference	The PartComponent reference represents a user or system account that is a part of a group of accounts.
SAMPLE DATA INSTANCE
[LOCALE(1033): ToInstance Amended] instance of Win32_GroupUser { GroupComponent = "\\\\SCCM01\\root\\cimv2:Win32_Group.Domain=\"SCCM01\",Name=\"Administrators\""; PartComponent = "\\\\SCCM01\\root\\cimv2:Win32_UserAccount.Domain=\"SCCM01\",Name=\"Administrator\""; };