public void setEventId(String eventId) {
        this.eventId = eventId;
    }
<p>
The ID of the event. You can get an event's ID when you create it, or by using <code>ListTimelineEvents</code>.
</p>

@param eventId
       The ID of the event. You can get an event's ID when you create it, or by using
       <code>ListTimelineEvents</code>.
aws-java-sdk-ssmincidents/src/main/java/com/amazonaws/services/ssmincidents/model/GetTimelineEventRequest.java