Updates a set of defined form messages that are displayed to a site visitor before, during, and after the registration flow. Includes the configuration of form titles, response labels, "thank you" messages, and call-to-action texts.
This method may require higher-level permissions than the caller has, based on their identity and roles and permissions. In these cases, you can ensure the method is called with the required level of authorization by using one of the following:
Event ID to which the form belongs.
Optional fields.
This method doesn't return any custom errors, but may return standard errors. Learn more about standard Wix errors.