FieldInfo::getEntityFieldTitle

protected function getEntityFieldTitle(int $entityTypeId, string $fieldName)
{
	/** @var CCrmLead|CCrmCompany|CCrmContact $entityClassName */
	$entityClassName = $this->getClassByEntityType($entityTypeId);
	$result = $entityClassName::GetFieldCaption($fieldName);
	if ($result === '' || $result === $fieldName)
	{
		$crmUserType = new CCrmUserType($GLOBALS['USER_FIELD_MANAGER'], $entityClassName::$sUFEntityID);
		$userFieldNames = $crmUserType->GetFieldNames();
		if (isset($userFieldNames[$fieldName]))
		{
			$result = $userFieldNames[$fieldName];
		}
	}

	return $result;
}