WordPress at a glance
function is not described

WP_Comments_List_Table::column_default() public WP 1.0

This is a method of the class: WP_Comments_List_Table{}

Hooks from the method
Return

Null. Nothing.

Usage

$WP_Comments_List_Table = new WP_Comments_List_Table();
\$WP_Comments_List_Table->column_default( $comment, $column_name );
$comment(WP_Comment) (required)
The comment object.
$column_name(string) (required)
The custom column's name.

Code of WP Comments List Table::column default: wp-admin/includes/class-wp-comments-list-table.php WP 5.4.2

<?php
public function column_default( $comment, $column_name ) {
	/**
	 * 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 int    $comment->comment_ID The custom column's unique ID number.
	 */
	do_action( 'manage_comments_custom_column', $column_name, $comment->comment_ID );
}