public java.util.Date getStartTime() {
        return this.startTime;
    }
<p>
(Optional) The time, in milliseconds, to deliver a campaign after it was approved. If it's not specified,
<code>0</code> is used.
</p>
<p>
Default: <code>0</code>
</p>

@return (Optional) The time, in milliseconds, to deliver a campaign after it was approved. If it's not specified,
        <code>0</code> is used.</p>
        <p>
        Default: <code>0</code>
aws-java-sdk-iotfleetwise/src/main/java/com/amazonaws/services/iotfleetwise/model/CreateCampaignRequest.java