V8 custom scripting service

Hello.

I’m attempting to execute the following tutorial
https://wiki.dreamfactory.com/DreamFactory/Tutorials/V8_custom_scripting_service
and I’m receiving the error in the dreamfactory.log

[2016-02-02 22:05:15] local.DEBUG: Service event: Add.get.pre_process
[2016-02-02 22:05:15] local.ERROR: * Script did not return an array: Array
(
[success] => 1
[result] => 9
)

[2016-02-02 22:05:15] local.DEBUG: Service event: Add.get.post_process

Admin Application Version: 2.1.0
DreamFactory Version: 2.1.0

I’m not sure whats wrong.
Regards, Kieren.