DynamicTypesMap::getDefaultCategory

public function getDefaultCategory(int $entityTypeId): ?\Bitrix\Crm\Model\EO_ItemCategory
{
	$categories = $this->getCategories($entityTypeId);
	foreach ($categories as $category)
	{
		if ($category->getIsDefault())
		{
			return $category;
		}
	}

	return null;
}