This is node.js sample code to play sound on iOS devices with https://github.com/matt-kruse/find-my-iphone.
$ git clone https://github.com/stoshiya/find-my-iphone-example
$ cd find-my-iphone-example
$ npm install
$ APPLE_ID='you@icloud.com' PASSWORD='your password' npm start
You can only play sound on device, which apple id owns only. You cannot play sound on family sharing devices.
MIT