public void setCreatedBy(String createdBy) {
        this.createdBy = createdBy;
    }
<p>
The timestamp of when the subscription request was rejected.
</p>

@param createdBy
       The timestamp of when the subscription request was rejected.
aws-java-sdk-datazoneexternal/src/main/java/com/amazonaws/services/datazone/model/RejectSubscriptionRequestResult.java