add ThinProvision custom property to vRA blueprint using restapi

[vin01]

Hello,

I have written the below script to check ThinProvision property is available to blueprint or not. Till this extend I can get the report correctly.

Once I get the list of blueprints which doesn't contains  ThinProvision property then I need to add the property to that blueprint. However I don't find any rest method to add custom property to the blueprints in vRA 7.6 API documentation.

So my question - Is it possible to add  custom property(ThinProvision) to blueprints using restmethods. If yes please give me an example.

$cred=Get-Credential  
$allorgs='',''  
foreach($org in $allorgs){  
$vra_server=''  
$identityRequest = @{  
"username"= $cred.UserName  
"password"=$cred.GetNetworkCredential().password  
"tenant"=$org  
    }  
    $json = $identityRequest | ConvertTo-Json  
    $headers = New-Object "System.Collections.Generic.Dictionary[[String],[String]]"  
    $headers.Add("Accept", 'application/json')     
    $response = Invoke-RestMethod "https://$($vra_Server)/identity/api/tokens" -Headers $headers -Method Post -Body $json -ContentType 'application/json'  
    $token = $response.ID  
    $restHeaders = @{"Content-Type"="application/json";"Authorization"="Bearer $token"}  
    $uri="https://$($vra_Server)/catalog-service/api/consumer/catalogItems"  
    $CatalogItem=Invoke-RestMethod -Method Get -Uri $uri -Headers $restHeaders  
    foreach($singlecatalogid in  $CatalogItem.content){  
    $uri1="https://$($vra_Server)/catalog-service/api/consumer/entitledCatalogItems/$($singlecatalogid.id)/requ..."  
    $CatalogItemschema=Invoke-RestMethod -Method Get -Uri $uri1 -Headers $restHeaders  
    $VirtualMachinethin=$CatalogItemschema.fields.datatype.schema.fields |Where-Object{$_.id -match 'VirtualMachine.Admin.ThinProvision'}  
    if(-not $VirtualMachinethin){  
    $VirtualMachinethin="ThinProvision Property not added"  
    }  
    else {  
        $VirtualMachinethin="ThinProvision Property added"     
  
   }  
   New-Object PSObject -Property (  
    [ordered]@{  
        TenantName = $org  
        BluePrint  = $singlecatalogid.name  
        ThinProvisionPropertystatus = $VirtualMachinethin  
          
    })  
}  
}