https://ajkueterman.dev/posts/android-viewmodel-manual-dependency-injection-made-easy/

vm-basic-delegate.kt

class MyActivity : AppCompatActivity() {

    private val model: MyViewModel by viewModels()

    override fun onCreate(savedInstanceState: Bundle?) {
        model.getUsers().observe(this, Observer<List<User>>{ users ->
            // update UI
        })
    }
}