How to get a million dollars

You are on a game show.
You are standing before two doors.
Behind one is 1 million dollars, and behind the other is a donkey.

There are also two men in front of the doors, and they know which door leads to the million.
Оne of them always tells the truth and the other always lies, but you don’t know who is the honest one and who is the liar.

You can only ask one question to one of them in order to find the way to the million.

What is the question?