function getWebContextWeb([string]$anUrl, [string]$login1, [string]$mypsw1, [boolean]$claims1, [string]$cookieDomaine, [string]$CertificateThumbprint)
{                   

    Write-Host "getWebContextWeb $($anUrl)" -ForegroundColor:Green
    MySpleep -seconds 10
    $global:cookieDomaine = $cookieDomaine;

    $count = 0;
    $connected = $false;
    [Microsoft.SharePoint.Client.ClientContext]$context987 =$null;
    while($connected -eq $false)
    {
        WriteInfo "try to connecte on : '$($anUrl)' with CertificateThumbprint : '$($CertificateThumbprint)' "
        $count ++;
        try{
            $response = Invoke-WebRequest -Verbose -URI $anUrl -CertificateThumbprint $CertificateThumbprint -UseDefaultCredentials -SessionVariable websession -ErrorAction:Stop

            Write-Host "connected '$($response.StatusCode)' cookieDomaine $($cookieDomaine)   CertificateThumbprint $($CertificateThumbprint)"


            if("$($response.StatusCode)".Trim() -ne "200")
            {
                Write-Error "connection failed"
                $pp = Write-Error  "connection failed"
                exit 0        
            }

            $cookies = $websession.Cookies.GetCookies($anUrl) 

            # Here, you can output all of $cookies, or you can go through them one by one. 
            Write-Host "cookies count $($cookies.Count)"


            for($i = 0 ; $i -lt $cookies.Count ; $i++) { 
                Write-Host "cookie $($cookies[$i].name)"
                if($i -eq 0)
                {
                    $global:cookieName1 = "$($cookies[$i].name)".Trim();
                    $global:cookieVal1 = "$($cookies[$i].value)".Trim();
                }
                elseif($i -eq 1)
                {
                    $global:cookieName2 = "$($cookies[$i].name)".Trim();
                    $global:cookieVal2 = "$($cookies[$i].value)".Trim();
                }
                elseif($i -eq 02)
                {
                    $global:cookieName3= "$($cookies[$i].name)".Trim();
                    $global:cookieVal3 = "$($cookies[$i].value)".Trim();
                }
            }


            $global:cert = Get-ChildItem -Path cert:\CurrentUser\My | ?{$_.Thumbprint -eq $CertificateThumbprint}
            Write-Host " add_ExecutingWebRequest global:EventREceiverCount : $($anUrl)"
            $context987 = New-Object Microsoft.SharePoint.Client.ClientContext($anUrl); 

            [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 -bor ` [Net.SecurityProtocolType]::Tls11 -bor ` [Net.SecurityProtocolType]::Tls -bor ` [Net.SecurityProtocolType]::Ssl3


            $global:iCount = 0;
            $context987.add_ExecutingWebRequest({
            param($Source, $EventArgs)
                $request = $EventArgs.WebRequestExecutor.WebRequest

                $request.ClientCertificates.Add($global:cert)
                $webReq = $request;

                Write-Host " add_ExecutingWebRequest global:EventREceiverCount : "
                if($webReq.CookieContainer -eq $null)
                {
                $webReq.CookieContainer = New-Object System.Net.CookieContainer
                Write-Host "cookieName3 fdi '$($global:cookieName3)' : cookieVal3 '$($global:cookieVal3)'"
                $c3 = New-Object System.Net.Cookie($global:cookieName3, $global:cookieVal3, "/", $global:cookieDomaine); 
                try       
                {
                    $webReq.CookieContainer.Add($c3);
                }
                catch
                {
                    Write-Error "error while adding cookie cookieName3 $($global:cookieName3),  cookieVal3 $($global:cookieVal3),  cookieDomaine '$($global:cookieDomaine)'"
                    Write-Error "$($_)"
                    exit 0;
                }
             
                write-host "cookie added"

                }
            })

            $web = $context987.Web;
            $context987.Load($web);
            $context987.ExecuteQuery();

            Write-Host "Title : $($web.Title)"

            $connected = $true;
            Write-Host "connected on : $($stree) count $($count)" -ForegroundColor:Green
        }
        catch
        {
            WriteError " sleep 60 secondes count $($count) cannot conntect to sp with login : $($login1) $($_)"
             
            $context987.Dispose();
            $context987 = $null;
            $connected = $false
            if($count -gt 10)
            {
                Write-Host "cannot connect to $($anUrl)" -ForegroundColor:Red
                exit 0
            }
            MySpleep -seconds 60
        }

        if($connected)
        {
            return $context987;
        }        
    }

    return $null;
}