CBPRestActivity::getAppPlacement

static function getAppPlacement(int $appId, string $code): ?array
{
	$result = BitrixRestPlacementTable::getList([
		'filter' => [
			'=APP_ID' => $appId,
			'=ADDITIONAL' => $code,
			'=PLACEMENT' => BitrixBizprocRestService::PLACEMENT_ACTIVITY_PROPERTIES_DIALOG,
		],
	])->fetch();

	return $result ?: null;
}