Add Agent item for WMI discovery

        $obj | Get-Member | % {
            $PropertyName=$_.Name
            $Value=$obj.$PropertyName
            $HashName="{#" + $PropertyName.ToUpper() + "}"
            if ($_.MemberType -ne "Method" -and $_.MemberType -ne "ScriptMethod" ) {
                $hash.Add($HashName, $Value)
                if ($PropertyName -like "*Time") {
                    if (($obj | Get-Member -MemberType "ScriptMethod" -Name ConvertToDateTime) -ne $null) {
                        Write-Debug "Converting $PropertyName($Value) to unix timestamp"
                        $hash[$HashName]=$($obj.ConvertToDateTime($Value)) | ConvertTo-UnixTimestamp
                    }
                }
            }
        }