CrmLeadField::execute

public function execute(array &$result)
{
	if(!Loader::includeModule("crm"))
		return false;

	$className = get_class($this);
	$option = Option::get("crm", $className, 0);
	$result["steps"] = $option;

	$limit = 50;
	$result["steps"] = isset($result["steps"]) ? $result["steps"] : 0;
	$selectedRowsCount = 0;

	$listUfFieldsForCheck = $this->getListUfFieldsForCheck("CRM_LEAD");
	$select = array("ID");
	foreach($listUfFieldsForCheck as $fieldId => $field)
		$select[] = $field["FIELD_NAME"];

	$objectQuery = \CCrmLead::getListEx(
		array("ID" => "DESC"),
		array("CHECK_PERMISSIONS" => "N"),
		false,
		false,
		$select,
		array("QUERY_OPTIONS" => array("LIMIT" => $limit, "OFFSET" => $result["steps"]))
	);
	if($objectQuery)
	{
		$selectedRowsCount = $objectQuery->selectedRowsCount();
		while($entity = $objectQuery->fetch())
		{
			foreach($listUfFieldsForCheck as $fieldId => $field)
			{
				if(!empty($entity[$field["FIELD_NAME"]]))
				{
					$listValuesForUpdate = $this->prepareListValuesForUpdate($field, $entity);
					$this->setFieldValue($field, $entity, $listValuesForUpdate);
				}
			}
		}
	}

	if($selectedRowsCount < $limit)
	{
		Option::delete("crm", array("name" => $className));
		return false;
	}
	else
	{
		$result["steps"] = $result["steps"] + $selectedRowsCount;
		$option = $result["steps"];
		Option::set("crm", $className, $option);
		return true;
	}
}