This lib will help you easy communicate with UI in Unturned!
This library makes easy listening player UI button clicks and text input in inputfields and more.
First of all, download UIElementsLib.
Then, select mod what you are using for.
If you cant see your mod here dont worry you can use RocketMod version, this is not depends on RocketMod, but it 100% is made for it, or you can write about it in issues or you can implement this by yourself!
For more info click here.