On Android, a randomly generated, app specific ID that is stored on the device. A new ID will be generated if the user
clears the data for the app or removes/re-installs the app. The ID will persist across Braze.changeUser calls.
On iOS, this ID is generated from the IDFV. This behavior will be updated in the next major version.
Returns a unique ID stored on the device.
On Android, a randomly generated, app specific ID that is stored on the device. A new ID will be generated if the user clears the data for the app or removes/re-installs the app. The ID will persist across Braze.changeUser calls.
On iOS, this ID is generated from the IDFV. This behavior will be updated in the next major version.