Checks whether a custom slug is validate for the service.
The checks include:
The call fails if at least one of the checks fails.
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:
IO of the service to check custom slug validity for.
This method doesn't return any custom errors, but may return standard errors. Learn more about standard Wix errors.