public void setTimeInMillis(Long timeInMillis) {
        this.timeInMillis = timeInMillis;
    }
<p>
The value of the timestamp, in the Unix epoch format.
</p>

@param timeInMillis
       The value of the timestamp, in the Unix epoch format.
aws-java-sdk-ioteventsdata/src/main/java/com/amazonaws/services/ioteventsdata/model/TimestampValue.java