code: public CreatePlayerSessionsRequest withPlayerDataMap(java.util.Map<String, String> playerDataMap) {
          setPlayerDataMap(playerDataMap);
          return this;
      }
docs: <p>
  Map of string pairs, each specifying a player ID and a set of developer-defined information related to the
  player. Amazon GameLift does not use this data, so it can be formatted as needed for use in the game. Player data
  strings for player IDs not included in the <code>PlayerIds</code> parameter are ignored.
  </p>
  
  @param playerDataMap
  Map of string pairs, each specifying a player ID and a set of developer-defined information related to the
  player. Amazon GameLift does not use this data, so it can be formatted as needed for use in the game.
  Player data strings for player IDs not included in the <code>PlayerIds</code> parameter are ignored.
  @return Returns a reference to this object so that method calls can be chained together.