public void setIdempotencyToken(String idempotencyToken) {
        this.idempotencyToken = idempotencyToken;
    }
<p>
A unique identifier that you provide to ensure idempotency. If multiple requests differ only by the idempotency
token, the same response is returned for each repeated request.
</p>

@param idempotencyToken
       A unique identifier that you provide to ensure idempotency. If multiple requests differ only by the
       idempotency token, the same response is returned for each repeated request.
aws-java-sdk-servicecatalog/src/main/java/com/amazonaws/services/servicecatalog/model/CreateProvisioningArtifactRequest.java