How can keep JSON generated from form builder in the process ?

[Sami]

I’m building form in form builder contains multiple fields, how can save this json generated
in process ? on another hand when start process how get this JSON to rendering form?

i read this post but not contains example, technical code to this ?

Form Builder (Drag and Drop) + Form Server Validations

So this is some details about a project we are working on to provide Camunda with a Form Builder. This has been raised by others in the past: Redirecting to Google Groups. The purpose is to solve two problems: Ability to easily create the equivalent of Camunda Embedded Forms using a “Drag and Drop Form builder”, but also allow those same forms to be built using pure JSON. Provide a single language (javascript) to create Client Side and Server Side validations (so the server can validate …