Just a quick question: what is outposts stand on users with a valve trade probation? And how should i judge someone with a probation on their. Article "Steam Trading " How do I add a game to my library after receiving it in a trade? What if a game I received in a . Valve Corporation. All rights How do I trade? · think I just lost items in a · What happens to scammers?. A user impersonating a trading website bot or Valve / Steam representative requests that you trade your items to so that they can verify that the items are not.