Shell navigation routing Query properties are null

Query properties are null while using shell gotoasync

await Shell.Current.GoToAsync($"userDetails?id={id}");

UserDetailsViewModel:
[QueryProperty("Id", "id")]
public class UserDetailsViewModel : BaseViewModel
{
private string _id;
public string Id
{
get => _id;
set => SetProperty(ref _id, value);
}

    public UserDetailsViewModel(){
      var x=Id;
    }
}