Elevate script as admin from parent script - failing

I am trying to call a PS script as admin (runas) from another PS script and so far have not been successful.  I am getting an error but can't see it and it seems that the 2nd script is not even being called as I have a read-host as the first command.  If I manually elevate powershell then call the script, it works.

The first script, I have tried going the route of Start-process and $newProcess = new-object System.Diagnostics.ProcessStartInfo "PowerShell"; but neither works.

I have tried both dot sourcing or hard coding the path (parent script is in the same folder)

I know I am missing something but can't figure out what.  The end result I am trying to get is to spin off a process, prompt to elevate, add IP to trusted hosts.

$filepath = ".\UpdateTrustedHosts.ps1"
        $arglist = "-noexit -File $filepath"
        Start-Process  powershell.exe -verb runas -ArgumentList "C:\path to file\UpdateTrustedHosts.ps1"

OR

$filepath = ".\UpdateTrustedHosts.ps1"
        $arglist = "-noexit -File $filepath"
         Start-Process  powershell.exe -verb runas -ArgumentList $arglist

$newProcess = new-object System.Diagnostics.ProcessStartInfo "PowerShell";
$newProcess.Arguments = "C:\Path to Script\UpdateTrustedHosts.ps1";
$newProcess.Verb = "runas";
        $process = [System.Diagnostics.Process]::Start($newProcess);
        $process.waitforExit()

The second script

$myWindowsID=[System.Security.Principal.WindowsIdentity]::GetCurrent()
    $myWindowsPrincipal=new-object System.Security.Principal.WindowsPrincipal($myWindowsID)
    $adminRole=[System.Security.Principal.WindowsBuiltInRole]::Administrator
    If ($myWindowsPrincipal.IsInRole($adminRole)){
        set-item wsman:\localhost\Client\TrustedHosts 10.10.10.10
    }Else{
        Write-Host "Window not called with Run As Admin"
    }