comment_footer_die example

get_current_screen()->set_help_sidebar(
            '<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
            '<p>' . __( '<a href="https://wordpress.org/documentation/article/comments-screen/">Documentation on Comments</a>' ) . '</p>' .
            '<p>' . __( '<a href="https://wordpress.org/support/forums/">Support forums</a>' ) . '</p>'
        );

        wp_enqueue_script( 'comment' );
        require_once ABSPATH . 'wp-admin/admin-header.php';

        if ( ! $comment ) {
            comment_footer_die( __( 'Invalid comment ID.' ) . sprintf( ' <a href="%s">' . __( 'Go back' ) . '</a>.', 'javascript:history.go(-1)' ) );
        }

        if ( ! current_user_can( 'edit_comment', $comment_id ) ) {
            comment_footer_die( __( 'Sorry, you are not allowed to edit this comment.' ) );
        }

        if ( 'trash' === $comment->comment_approved ) {
            comment_footer_die( __( 'This comment is in the Trash. Please move it out of the Trash if you want to edit it.' ) );
        }

        $comment = get_comment_to_edit( $comment_id );