public GetTestGridSessionRequest withSessionArn(String sessionArn) {
        setSessionArn(sessionArn);
        return this;
    }
<p>
An ARN that uniquely identifies a <a>TestGridSession</a>.
</p>

@param sessionArn
       An ARN that uniquely identifies a <a>TestGridSession</a>.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-devicefarm/src/main/java/com/amazonaws/services/devicefarm/model/GetTestGridSessionRequest.java