How to Import a New Computer into Configuration Manager

$MACAddress = "00:15:5D:C2:BA:08"
$ResourceName = "Client50"
$CollectionName = "OSD Bare Metal"

#Collection query
$CollectionQuery = Get-WmiObject -Namespace "Root\SMS\Site_PS1" -Class SMS_Collection -Filter "Name='$CollectionName'"

#New computer account information
$WMIConnection = ([WMIClass]"\\SERVER100\root\SMS\Site_PS1:SMS_Site")
    $NewEntry = $WMIConnection.psbase.GetMethodParameters("ImportMachineEntry")
    $NewEntry.MACAddress = $MACAddress
    $NewEntry.NetbiosName = $ResourceName
    $NewEntry.OverwriteExistingRecord = $True
$Resource = $WMIConnection.psbase.InvokeMethod("ImportMachineEntry",$NewEntry,$null)

#Create the Direct MemberShip Rule
$NewRule = ([WMIClass]"\\Server100\root\SMS\Site_PS1:SMS_CollectionRuleDirect").CreateInstance()
$NewRule.ResourceClassName = "SMS_R_SYSTEM"
$NewRule.ResourceID = $Resource.ResourceID
$NewRule.Rulename = $ResourceName

#Add the newly created machine to collection
$CollectionQuery.AddMemberShipRule($NewRule)