Creating a Command

{
  "type": "mod",
  "id": "my.mod",
  "version": "1.0.0",
  "relations": [
    {
      "id": "terminal",
      "type": "depends",
      "version": ">=1.0.0",
      "register": "git+https://github.com/AtelierVR/nox.terminal.git"
    }
  ],
  "constraints": [
    { "type": "after", "id": "terminal" }
  ]
}

{
  "name": "My.Mod",
  "references": [
    "Nox.Terminal"
  ]
}

using Nox.CCK.Utils;
using Nox.Terminal;

public class HelloCommand : ICommand, IHelper {
    public string GetName() => "hello";
    public string GetShort() => "Print a greeting";
    public string GetUsage() => "hello [--name name] [--loud]";

    public async UniTask<bool> Execute(string input, IContext ctx) {
        if (!input.StartsWith("hello "))
            return UniTask.FromResult(false);

        var args = ArgsParser.Parse(input.Substring(6));
        var msg = $"Hello, {args.Get("name", "World")}!";
        ctx.PrintLn(args.GetBool("loud") ? msg.ToUpper() : msg);
        return UniTask.FromResult(true);
    }

    public string[] AutoComplete(string input, IContext ctx) =>
        input.StartsWith("hello ")
            ? new[] { "hello --name World", "hello --loud" }
            : new[] { "hello" };
}

public class Main : IMainModInitializer {
    public static Main Instance;
    public IMainModCoreAPI CoreAPI;

    public static ITerminalAPI TerminalAPI =>
        Instance.CoreAPI.ModAPI
            .GetMod("terminal")
            ?.GetInstance<ITerminalAPI>();

    private uint _id;

    public void OnInitializeMain(IMainModCoreAPI api) {
        Instance = this;
        CoreAPI = api;
        _id = TerminalAPI.Register(new HelloCommand());
    }

    public void OnDisposeMain() {
        TerminalAPI?.Unregister(_id);
        Instance = null;
        CoreAPI = null;
    }
}