public void setTrackingId(String trackingId) {
        this.trackingId = trackingId;
    }
<p>
The ID of the event tracker. Include this ID in requests to the <a
href="https://docs.aws.amazon.com/personalize/latest/dg/API_UBS_PutEvents.html">PutEvents</a> API.
</p>

@param trackingId
       The ID of the event tracker. Include this ID in requests to the <a
       href="https://docs.aws.amazon.com/personalize/latest/dg/API_UBS_PutEvents.html">PutEvents</a> API.
aws-java-sdk-personalize/src/main/java/com/amazonaws/services/personalize/model/EventTracker.java