public void setChannel(String channel) {
        this.channel = channel;
    }
<p>
The channel that is integrated with the bot that the utterance was made to.
</p>

@param channel
       The channel that is integrated with the bot that the utterance was made to.
aws-java-sdk-lexmodelsv2/src/main/java/com/amazonaws/services/lexmodelsv2/model/UtteranceSpecification.java