``` js
const T = Parse.Object.extend('test');
const t = T.createWithoutData('data id');
const D = Parse.Object.extend('data');
const d = new D();
d.set('test', t);
d.save()
...
```
``` js
const T = Parse.Object.extend('test');
const t = T.createWithoutData('data id');
const D = Parse.Object.extend('data');
const d = new D();
d.set('test', t);
d.save()
...
```