Requisite::getAddressField

public function getAddressField(int $entityTypeId, string $fieldName): ?array
{
	if (!$fieldName)
	{
		return null;
	}

	$preset = $this->getDefaultPreset($entityTypeId);
	if (!$preset)
	{
		return [];
	}

	foreach ($preset['fields'] as $field)
	{
		if ($field['name'] === $fieldName)
		{
			return $field;
		}
	}

	return null;
}