public void setClientToken(String clientToken) {
        this.clientToken = clientToken;
    }
<p>
A token ensuring that the operation is called only once with the specified details.
</p>

@param clientToken
       A token ensuring that the operation is called only once with the specified details.
aws-java-sdk-ssmincidents/src/main/java/com/amazonaws/services/ssmincidents/model/CreateResponsePlanRequest.java