public ChannelMessageCallback withSubChannelId(String subChannelId) {
        setSubChannelId(subChannelId);
        return this;
    }
<p>
The ID of the SubChannel.
</p>

@param subChannelId
       The ID of the SubChannel.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-chimesdkmessaging/src/main/java/com/amazonaws/services/chimesdkmessaging/model/ChannelMessageCallback.java