signing; autograph session
A public event where an author, celebrity, athlete, artist, etc. signs books, photos, merchandise, or other items for fans.
人気作家のサイン会に行った。
I went to a popular author's autograph session.
A signing will be held on the day the new book goes on sale.
I went to a signing event for my favorite author.
They held a signing event to coincide with the new book's release.
I won the lottery and got to take part in the signing event.
I got my book signed at the signing event.