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Dialogflow Messenger df-response-received event

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I got this question on my YouTube channel recently:

Hi, thanks for sharing this video! i have a question: – how i use Events JavaScript from dialogflow messenger (df-request-sent & df-response-received)

I used the df-response-received event as part of my Dialogflow CX bot which helps you choose between ES, CX and Actions Builder.

Here is some sample code:

Suppose the dfMessenger object has been added to your HTML like this (just copy this from the Dialogflow console)

<script src="https://www.gstatic.com/dialogflow-console/fast/messenger-cx/bootstrap.js?v=1"></script>
<df-messenger df-cx="true" chat-title="DFChooser" agent-id="your-agent-id-goes-here" language-code="en"></df-messenger>

const dfMessenger = document.querySelector('df-messenger');
dfMessenger.addEventListener('df-response-received', function (event) {
    if (event.detail.response) {
        data = event.detail.response;
        //now do something with the data JSON object

You can parse the data object (which is in JSON format) and you will see that it contains all the information coming back from Dialogflow.

This is for a CX bot, but the basic concept works the same way for ES also.

I haven’t used the df-request-sent event, but I would expect that it would work in the same way. Note: the df-response-received event includes the request information from the user, so it is sufficient if you are just trying to log the Dialogflow conversation to a database.

The recently released Zoho SalesIQ v2 allows non-programmers to build chatbots using an easy-to-use code less bot builder. What is really unique about Zoho SalesIQ is the fact that you can also integrate AI into their code less bot builder. In my Zoho SalesIQ chatbots course, I explain how to use Zoho SalesIQ to add a chatbot to your website.

"The magic key I needed as a non-programmer"

The custom payload generator was the magic key I needed (as a non-programmer) to build a good demo with rich responses in DialogFlow Messenger. I've only used it for 30 minutes and am thrilled. I've spent hours trying to figure out some of the intricacies of DialogFlow on my own. Over and over, I kept coming back to Aravind's tutorials available on-line. I trust the other functionalities I learn to use in the app will save me additional time and heartburn.

- Kathleen R
Cofounder, gathrHealth

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