public EventStreamSummary withEventStreamArn(String eventStreamArn) {
        setEventStreamArn(eventStreamArn);
        return this;
    }
<p>
A unique identifier for the event stream.
</p>

@param eventStreamArn
       A unique identifier for the event stream.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-customerprofiles/src/main/java/com/amazonaws/services/customerprofiles/model/EventStreamSummary.java