public void setStartTime(java.util.Date startTime) {
        this.startTime = startTime;
    }
<p>
Time stamp indicating when this request was placed in the queue. Format is a number expressed in Unix time as
milliseconds (for example <code>"1469498468.057"</code>).
</p>

@param startTime
       Time stamp indicating when this request was placed in the queue. Format is a number expressed in Unix time
       as milliseconds (for example <code>"1469498468.057"</code>).
aws-java-sdk-gamelift/src/main/java/com/amazonaws/services/gamelift/model/GameSessionPlacement.java