CBPRestActivity::GetPropertiesDialogValues: Bitrix method

      
<?php 
//  CBPRestActivity :: GetPropertiesDialogValues()
//  /dist/bitrix/modules/bizproc/classes/general/restactivity.php:555

    public static function GetPropertiesDialogValues($documentType, $activityName, &$workflowTemplate, &$workflowParameters, &$workflowVariables, $currentValues, &$errors)
    {
        $runtime = CBPRuntime::GetRuntime();
        $errors = array();

        $map = array(
            'setstatusmessage' => 'SetStatusMessage',
            'statusmessage' => 'StatusMessage',
            'usesubscription' => 'UseSubscription',
            'timeoutduration' => 'TimeoutDuration',
            'timeoutdurationtype' => 'TimeoutDurationType'
        );

        $properties = array();
        foreach ($map as $key => $value)
        {
            $properties[$value] = $currentValues[$key];
        }

        $activityData = self::getRestActivityData();
        $activityProperties = isset($activityData['PROPERTIES']) && is_array($activityData['PROPERTIES']) ? $activityData['PROPERTIES'] : array();
        /** @var CBPDocumentService $documentService */
        $documentService = $runtime->GetService('DocumentService');
        $activityDocumentType = is_array($activityData['DOCUMENT_TYPE']) ? $activityData['DOCUMENT_TYPE'] : $documentType;

        foreach ($activityProperties as $name => $property)
        {
            $requestName = static::PROPERTY_NAME_PREFIX.strtolower($name);

            if (isset($properties[$requestName]))
                continue;

            $errors = array();

            $properties[$name] = $documentService->GetFieldInputValue(
                $activityDocumentType,
                $property,
                $requestName,
                $currentValues,
                $errors
            );

            if (count($errors) > 0)
                return false;
        }

        if (static::checkAdminPermissions())
        {
            $properties['AuthUserId'] = CBPHelper::usersStringToArray($currentValues['authuserid'], $documentType, $errors);
            if (count($errors) > 0)
                return false;
        }
        else
        {
            unset($properties['AuthUserId']);
        }

        if (!empty($activityData['USE_SUBSCRIPTION']))
            $properties['UseSubscription'] = $activityData['USE_SUBSCRIPTION'];

        $errors = self::ValidateProperties($properties, new CBPWorkflowTemplateUser(CBPWorkflowTemplateUser::CurrentUser));
        if (count($errors) > 0)
            return false;

        $currentActivity = &CBPWorkflowTemplateLoader::FindActivityByName($workflowTemplate, $activityName);
        $currentActivity["Properties"] = $properties;

        return true;
    }