public String getClientRequestToken() {
        return this.clientRequestToken;
    }
<p>
A unique identifier for this <code>RollbackStack</code> request.
</p>

@return A unique identifier for this <code>RollbackStack</code> request.
aws-java-sdk-cloudformation/src/main/java/com/amazonaws/services/cloudformation/model/RollbackStackRequest.java