public CreatePlayerSessionRequest withPlayerId(String playerId) {
        setPlayerId(playerId);
        return this;
    }
<p>
A unique identifier for a player. Player IDs are developer-defined.
</p>

@param playerId
       A unique identifier for a player. Player IDs are developer-defined.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-gamelift/src/main/java/com/amazonaws/services/gamelift/model/CreatePlayerSessionRequest.java