public void setClientRequestToken(String clientRequestToken) {
        this.clientRequestToken = clientRequestToken;
    }
<p>
The <code>Idempotency</code> token for each client request.
</p>

@param clientRequestToken
       The <code>Idempotency</code> token for each client request.
aws-java-sdk-chime/src/main/java/com/amazonaws/services/chime/model/SendChannelMessageRequest.java