>PayloadVersion</key>\n';
        xmlString += '  <integer>1</integer>\n';
        xmlString += '</dict>\n';
        xmlString += '</plist>';

        var vpnTypeL2tp = '';
        vpnTypeL2tp += '      <key>VPNType</key>\n';
        vpnTypeL2tp += '      <string>L2TP</string>\n';
        vpnTypeL2tp += '      <key>IPSec</key>\n';
        vpnTypeL2tp += '      <dict>\n';
        vpnTypeL2tp += '        <key>AuthenticationMethod</key>\n';
        vpnTypeL2tp += '        <string>SharedSecret</string>\n';
    