public String getClientToken() {
        return this.clientToken;
    }
<p>
Unique, case-sensitive identifier that you provide to ensure the idempotency of the request.
</p>

@return Unique, case-sensitive identifier that you provide to ensure the idempotency of the request.
aws-java-sdk-fis/src/main/java/com/amazonaws/services/fis/model/StartExperimentRequest.java