public String getClientRequestToken() {
        return this.clientRequestToken;
    }
<p>
The unique ID of the request. Use different tokens to request additional <code>AppInstances</code>.
</p>

@return The unique ID of the request. Use different tokens to request additional <code>AppInstances</code>.
aws-java-sdk-chimesdkidentity/src/main/java/com/amazonaws/services/chimesdkidentity/model/CreateAppInstanceUserRequest.java