Post on behalf of a Customer.
It is found that after creating a CTA or Success Plan via a rule. If you wanted to edit the Custom Fields in bulk, you won’t be able to do so via a rule. In cases where bulk update is needed after creation of custom fields or changes in business logic, having a end user facing dataloader would help or being able to update custom fields in rules for NXT.
There is the cockpit API, but it would look to need help from a developer if end user is not versed in using it.