To implement this correctly, you should refer to this list of all emojis that are compatible with and recognized by the platform.There are three ways to do this:
Insert it from your keyboard settings.
Copy and paste the emoji directly.
Copy and paste its shortcode.
Important: Emojis encoded in dec/hex format will not be recognized, so we recommend that you avoid using that format.Applies to:
✓ Buttons complement.
✓ Nested intentions.
✓ List complement.
✓ Carousel complement.
✓ Complementary CTA buttons and initial button bar in the web chat window.
Does not apply to buttons from the Webview complement.
In the tour below, you will see the steps, and in this link, you will find the website we used for the example.