Comment::sendMentions

public function sendMentions(
	int $id,
	int $fromUserId,
	string $text,
	string $message,
	array $previouslyMentionedUserIds = []
): array
{
	$messageIds = [];

	$parser = new CommentParser();
	$mentionedUserIds = $parser->getMentionedUserIds($text);
	$mentionedUserIds = array_filter(
		$mentionedUserIds,
		static function($userId) use ($fromUserId, $previouslyMentionedUserIds) {
			$userId = (int)$userId;
			return (
				$userId !== $fromUserId
				&& !in_array($userId, $previouslyMentionedUserIds, true)
			);
		}
	);

	if(empty($mentionedUserIds))
	{
		return $messageIds;
	}

	if(!Loader::includeModule('im'))
	{
		return $messageIds;
	}

	foreach ($mentionedUserIds as $userId)
	{
		$userId = (int)$userId;

		$messageIds[] = CIMNotify::Add([
			'TO_USER_ID' => $userId,
			'FROM_USER_ID' => $fromUserId,
			'NOTIFY_TYPE' => IM_NOTIFY_FROM,
			'NOTIFY_MODULE' => Driver::MODULE_ID,
			'NOTIFY_TAG' => 'RPA|MESSAGE_TIMELINE_MENTION|' . $id,
			'NOTIFY_MESSAGE' => $message,
		]);
	}

	return $messageIds;
}