test.class.ps1

using namespace System.Xml.Linq
class testinstance {
    
    [string]$txt
    [string]$name
    hidden [string]$path="c:\users\adminnistrator\my-modules\import-xml\xml\test.xml"
    [void] DoInit(    [pscustomobject]$pscustomobject){
        $pscustomobjectName= (($pscustomobject)|Get-Member -Type NoteProperty ).Name
        foreach($propertyName in $pscustomobjectName ){ 
    
           $this.$Propertyname= $pscustomobject.$Propertyname
        }
    }
    
    script ($pscustomobject){
    $this.doinit($pscustomobject)
    }
    
    [object] save(){
    
        $object=[XElement]::new("object",
        [XAttribute]::new("type","testinstance"),
        [XElement]::new("property",[XAttribute]::new("name","txt"),$this.txt),
        [XElement]::new("property",[XAttribute]::new("name","name"),$this.name)
    
        )
        return $object.ToString()   
    }
    
    
    
    
    }