Filters the list of email addresses to receive a comment notification.

By default, only post authors are notified of comments. This filter allows others to be added.

$emails string[]

An array of email addresses to receive a comment notification.

$comment_id string

The comment ID as a numeric string.

File: wp-includes/pluggable.php. View all references

$emails = apply_filters( 'comment_notification_recipients', $emails, $comment->comment_ID );