GeneralChat::sendBanner

protected function sendBanner(?int $authorId = null): void
{
	CIMMessage::Add([
		'MESSAGE_TYPE' => self::IM_TYPE_CHAT,
		'TO_CHAT_ID' => $this->getChatId(),
		'FROM_USER_ID' => 0,
		'MESSAGE' => Loc::getMessage('IM_CHAT_GENERAL_DESCRIPTION'),
		'SYSTEM' => 'Y',
		'PUSH' => 'N',
		'PARAMS' => [
			'COMPONENT_ID' => 'ChatCreationMessage',
		]
	]);
}