Get-Logged User

I created the below script and I'm not able to find a way to get the User logged in, could you please assist me

Function ConnectTo-vCenter

{

$connection = Get-Credential -Message “Please enter your Login & password”

    foreach ($vCenter in $vCenterList)

    {

     Connect-VIServer $vCenter -Credential $connection -Port 443

        Fonc_LOG "Connecting to $vCenter..."

        if ($? -eq $true) {

                Fonc_LOG "Successfully connected to $vCenter"

                                    }

         else {

                Fonc_LOG "Not Connected to $vCenter Please Check your Credential)"

              }

    }

}

ConnectTo-vCenter