gistfile1.txt

$data = array(
				'comment_post_ID' => 40,
				'comment_author' => 'admin',
				'comment_author_email' => '[email protected]',
				'comment_author_url' => 'http://www.catswhocode.com',
				'comment_content' => 'Lorem ipsum dolor sit amet...',
				'comment_author_IP' => '127.0.0.1',
				'comment_agent' => 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; fr; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3',
				'comment_date' => date('Y-m-d H:i:s'),
				'comment_date_gmt' => date('Y-m-d H:i:s'),
				'comment_approved' => 0,
				);

		$comment_id = wp_insert_comment($data);
		var_dump($comment_id);

		add_comment_meta($comment_id, "bairro", "Mata da Praia");
		add_comment_meta($comment_id, "cep", "29.109-231");

		var_dump(get_comment_meta($comment_id, "bairro", true));