Adds a country code to the main phone of multiple contacts that match the provided filter. Works asynchronously.
A contact's main phone is changed only if adding the country code produces a valid phone number. Otherwise, the contact is left unchanged.
To check the status of the bulk update, pass the returned jobId to Get Async Job.
You can only call this method when authenticated as a Wix app or Wix user identity.
This method doesn't return any custom errors, but may return standard errors. Learn more about standard Wix errors.