Here is the MOF edit for DataShift – Local found on the SMS Expert Site http://www.smsexpert.com/MOF/Scripts.aspx
DataShift –Local will return a list of who is within the Local Administrator group.
#pragma namespace(“\\\\.\\root\\cimv2\\SMS”)
#pragma deleteclass(“SMX_LocalAdmins”,NOFAIL)
[SMS_Report(TRUE), SMS_Group_Name(“Local Administrators”), SMS_Class_ID(“MICROSOFT|SMXLocalAdmins|1.0”)]
class SMX_LocalAdmins : SMS_Class_Template
{
[SMS_Report(TRUE),Key] String Account;
};