Does capturing and sending the identifierForVendor property violate the App Store Review Guidelines, Section 1.3?
1.3 ... In limited cases, third-party analytics may be permitted provided that the services do not collect or transmit the IDFA or any identifiable information about children (such as name, date of birth, email address), their location, or their devices. This includes any device, network, or other information that could be used directly or combined with other information to identify users and their devices.