How to get UUID & Device Information in WebOS App Development with Using Luna API service. Can You Provide Exact Suitable code for this query

We are unable to get device UUID while deploying the app into real device with using the Luna API service & WebOS Request in WebOS App development can you suitable solution for this query.

Please refer to API compatibility on webOS TV device. Device Unique ID API is supported in webOS TV 3.0 and higher. For the webOS TV 1.0 and 2.0, you should generate UUIDs by yourself through user authentication. Thank you.