public GetSessionResult withSessionId(String sessionId) {
        setSessionId(sessionId);
        return this;
    }
<p>
A unique identifier for the session.
</p>

@param sessionId
       A unique identifier for the session.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-lex/src/main/java/com/amazonaws/services/lexruntime/model/GetSessionResult.java