public void setCreationTime(java.util.Date creationTime) {
        this.creationTime = creationTime;
    }
<p>
The time the alarm was created, in the Unix epoch format.
</p>

@param creationTime
       The time the alarm was created, in the Unix epoch format.
aws-java-sdk-ioteventsdata/src/main/java/com/amazonaws/services/ioteventsdata/model/Alarm.java