Comment::add

protected function add(int $ownerTypeId, int $ownerId, string $content, array $filesList, ?int $authorId): ?int
{
	$commentId = CommentEntry::create([
		'TEXT' => $content,
		'FILES' => $filesList,
		'SETTINGS' => ['HAS_FILES' => empty($filesList) ? 'N' : 'Y'],
		'BINDINGS' => [['ENTITY_TYPE_ID' => $ownerTypeId, 'ENTITY_ID' => $ownerId]],
		'AUTHOR_ID' => $authorId,
	]);
	if ($commentId <= 0)
	{
		$this->addError(new Error('Could not create comment', ErrorCode::ADDING_DISABLED));

		return null;
	}

	CommentController::getInstance()->onCreate(
		$commentId,
		[
			'COMMENT' => $content,
			'ENTITY_TYPE_ID' => $ownerTypeId,
			'ENTITY_ID' => $ownerId,
		]
	);

	return $commentId;
}