public void setScheduledStartTimeMillis(Long scheduledStartTimeMillis) {
        this.scheduledStartTimeMillis = scheduledStartTimeMillis;
    }
<p>
The date and time that the alternateMedia is scheduled to start, in epoch milliseconds.
</p>

@param scheduledStartTimeMillis
       The date and time that the alternateMedia is scheduled to start, in epoch milliseconds.
aws-java-sdk-mediatailor/src/main/java/com/amazonaws/services/mediatailor/model/AlternateMedia.java