public UpdateScheduleRequest withClientToken(String clientToken) {
        setClientToken(clientToken);
        return this;
    }
<p>
Unique, case-sensitive identifier you provide to ensure the idempotency of the request. If you do not specify a
client token, EventBridge Scheduler uses a randomly generated token for the request to ensure idempotency.
</p>

@param clientToken
       Unique, case-sensitive identifier you provide to ensure the idempotency of the request. If you do not
       specify a client token, EventBridge Scheduler uses a randomly generated token for the request to ensure
       idempotency.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-scheduler/src/main/java/com/amazonaws/services/scheduler/model/UpdateScheduleRequest.java