public ChannelFlowCallbackResult withCallbackId(String callbackId) {
        setCallbackId(callbackId);
        return this;
    }
<p>
The call back ID passed in the request.
</p>

@param callbackId
       The call back ID passed in the request.
@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/ChannelFlowCallbackResult.java