To reply to someone’s comment on a post:

1. Scroll your news feed or open the post where there are already comments.
2. Under the comment you want to reply to, click “Reply”.
3. A “Write a reply” field will appear directly below the comment.
4. Type your reply. Optionally, add an image or sticker using the icons.
5. Click send to post your reply.

Your reply will appear below the comment as a thread.
You can also edit or delete your reply after posting using the three dots menu next to it.

Note: You can also edit or delete your reply after posting using the three dots menu next to it.