lib/components/dataInterface/DataSource.php
public function getForeignDataItems()
    {
        if (!isset($this->_foreignDataItems)) {
            $this->_foreignDataItems = [];
            $this->trigger(self::EVENT_LOAD_FOREIGN_DATA_ITEMS);
        }

        return $this->_foreignDataItems;
    }
public function getForeignDataItems()
    {
        if (!isset($this->_foreignDataItems)) {
            $this->_foreignDataItems = [];
            $this->trigger(self::EVENT_LOAD_FOREIGN_DATA_ITEMS);
        }

        return $this->_foreignDataItems;
    }
Get foreign data items.

@return [[@doctodo return_type:getForeignDataItems]] [[@doctodo return_description:getForeignDataItems]]