public CreatePlayerSessionRequest withGameSessionId(String gameSessionId) {
        setGameSessionId(gameSessionId);
        return this;
    }
<p>
A unique identifier for the game session to add a player to.
</p>

@param gameSessionId
       A unique identifier for the game session to add a player to.
@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