HOW to write the save method

gistfile1.txt

Import-xml 


using namespace system.xml.linq
class script {
    [scriptblock]$scriptblock
    [string]$name
#1.add hidden path
hidden [string]$path = "$PSScriptRoot\xml\script.xml"


#2.init

[void] DoInit(    [pscustomobject]$pscustomobject){
        $pscustomobjectName= (($pscustomobject)|Get-Member -Type NoteProperty ).Name
        foreach($propertyName in $pscustomobjectName ){

           $this.$Propertyname= $pscustomobject.$Propertyname
        }
    }

script ($pscustomobject){
$this.doinit($pscustomobject)
}
#3.save method 
[object] save(){

    $object=[XElement]::new("object",
    [XAttribute]::new("name","script"),
    [XElement]::new("property",[XAttribute]::new("name","scriptblock"),$this.scriptblock),
    [XElement]::new("property",[XAttribute]::new("name","name"),$this.name)

    )
    return $object.ToString()
}



}