How to custom action url in Sharepoint list using Powershell

In this post we have creating custom action url in testEmployee list
Please see the below script

Add-PSSnapin "Microsoft.Sharepoint.Powershell"
 $site = "https://sharepointqa/"
 $web = Get-SPWeb $site
 $list = $web.Lists["testEmployee"]
 $customAction = $list.UserCustomActions | Where-Object {$_.Title -eq "New Entry"}
 Write-Host $customAction -f "blue"
 $customAction.Url = "https://peakfinders.blogspot.com"
 $customAction.Update();