here is the “solution” from wix 
Although I can’t guarantee a solution to the problem, you can try the following once to retrieve order details on the thank you page.
- Use the getOrder function on the thank you page to retrieve order information.
- Use trackEvent to send tracking events to the external service.
Here you can see an example tutorial where Google Analytics was used as an example.
Please note that we don’t provide coding / code debugging solutions, but give guidance and point you to articles and APIs that will help you learn and achieve your goals.
For more information on Velo by Wix, check out the resources below:
Take the free Code Academy course here
About Velo by Wix - what Velo is and what features it has.
Onboarding to Velo by Wix - introduction to Velo with short tutorials.
Best practices for creating a Velo website.
You can also read our documentation and examples to get a better understanding of what can be done with Velo.
To share a coding problem or question with other Velo experts, we highly recommend visiting our Velo by Wix community website following these guidelines.