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

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