Guide

1. On Dialogflow's main dashboard, find and open the intent you wish to use.

2. Scroll down to the Responses section, then click 'Add Responses'.

3. Subsequently, choose 'Custom Payload' from the list of options.

4. Enter the code into the provided input field.

5. Following that, edit the code and input the specific button details.

6. Once done, click 'Save' to proceed.

7. After completing these steps, the button will be added to the selected intent in Dialogflow.