Chat::getLastMessage

static function getLastMessage($externalChatId, $connector)
{
	return ChatLastMessageTable::getList(
		[
			'filter' => [
				'=EXTERNAL_CHAT_ID' => $externalChatId,
				'=CONNECTOR' => $connector
			],
			'limit' => '1',
			'order' => [
				'ID' => 'DESC'
			]
		]
	)->fetch();
}