<Object|String|null> getCustomFields([<String> name])
Returns:
object
of all custom fields if name wasn't set
string
value if name was passed as argument
null
if no custom field was found for the specified name
var event = LViS.getEvent();​var fields = event.getCustomFields();// {// foo: "1",// bar: "2",// ...// }​var field = event.getCustomFields('foo');// "1"​var baz = event.getCustomFields('baz');// null