Joget DX 8 Stable Released
The stable release for Joget DX 8 is now available, with a focus on UX and Governance.
Try use Section#Visibility and probably point to existing field with value to enforce/restrict.
You can try to check out Builder Advanced Tools#Permission also and try to detect existing value/state of record already created and restrict the fields.
I have create a CRUD of my main form. However how do I restrict what element is editable by the normal user after they have submitted the form?