Changes in response doesn't stick

Elvis_Fernandes,
You need to set 'content_changed' to true (or 1).

if (event.response.content.resource) {
lodash._.each (event.response.content.resource, function( record ) {

    record.extraField = 'Feed the dog.';
});

event.response.content_changed = 1;
}

Documented here: http://wiki.dreamfactory.com/DreamFactory/Features/Scripting#Resources_Available_To_A_Script