public void setChannel(String channel) {
        this.channel = channel;
    }
<p>
The ARN or <code>UUID</code> of a channel.
</p>

@param channel
       The ARN or <code>UUID</code> of a channel.
aws-java-sdk-cloudtrail/src/main/java/com/amazonaws/services/cloudtrail/model/GetChannelRequest.java