wp-admin/includes/class-wp-comments-list-table.php:1117$itemWP_Comment$column_namestringOne hook fires while WP_Comments_List_Table::column_default() runs, in this order:
Fires when the default column output is displayed for a single row.
public function column_default( $item, $column_name ) { // Restores the more descriptive, specific name for use within this method. $comment = $item; /** * Fires when the default column output is displayed for a single row. * * @since 2.8.0 * * @param string $column_name The custom column's name. * @param string $comment_id The comment ID as a numeric string. */ do_action( 'manage_comments_custom_column', $column_name, $comment->comment_ID ); }Introduced in 5.9.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-admin/includes/class-wp-comments-list-table.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.