public void setId(Long id) {
        this.id = id;
    }
<p>
The id of the event. Events are numbered sequentially, starting at one.
</p>

@param id
       The id of the event. Events are numbered sequentially, starting at one.
aws-java-sdk-stepfunctions/src/main/java/com/amazonaws/services/stepfunctions/model/HistoryEvent.java