Delete

require_once('../yumpu.php');
$yumpu = new Yumpu();
$id = 'omkYGduXowlyx9WF';
$deleteCollection = $yumpu->deleteCollection($id);
print_r($deleteCollection);

var yumpu = require('yumpu');
yumpu.setToken('yourToken');
var parameters = {
  id: 'omkYGduXowlyx9WF'
};
yumpu.deleteCollection(parameters, function(statusCode, document){
   console.log('Status: ' + statusCode);
   console.log(document);
});

Yumpu y = new Yumpu("your access token");
String id = "omkYGduXowlyx9WF";
System.out.println(y.deleteCollection(id));