google calendar api getting protected propertys

["modelData":protected]=> array(5) {
["creator"]=>
array(3) {
  ["email"]=>
  string(23) "***@gmail.com"
  ["displayName"]=>
  string(14) "***"
  ["self"]=>
  bool(true)
}
["organizer"]=>
array(3) {
  ["email"]=>
  string(23) "***@gmail.com"
  ["displayName"]=>
  string(14) "***"
  ["self"]=>
  bool(true)
}
["start"]=>
array(1) {
  ["dateTime"]=>
  string(25) "2014-04-27T05:00:00+01:00"
}
["end"]=>
array(1) {
  ["dateTime"]=>
  string(25) "2014-04-27T06:00:00+01:00"
}