public void setAppInstanceUserArn(String appInstanceUserArn) {
        this.appInstanceUserArn = appInstanceUserArn;
    }
<p>
The ARN of the user or bot in the moderated channel.
</p>

@param appInstanceUserArn
       The ARN of the user or bot in the moderated channel.
aws-java-sdk-chimesdkmessaging/src/main/java/com/amazonaws/services/chimesdkmessaging/model/DescribeChannelModeratedByAppInstanceUserRequest.java