Replyio works in many comment sections on Twitter.

1. By clicking on the button, as you can see in the image below, you will get a comment popup on Twitter.

In this image, you can see that Replyio is automatically populated, and you can use it to generate a comment.

You can see that the generated comment is directly filled in the comment section in this image.

You can modify the generated comment by clicking on the 'Modify' button.

In this window, you can modify the comment as per your requirement.

2. There is another option to add a comment, as shown in the image below. You need to click on 'Post your reply,' and you will see that Replyio will populate automatically.