Craft\m160904_000000_seomatic_addTwitterFacebookImages::safeUp PHP Method

    public function safeUp()
    {
        // specify columns and AttributeType
        $newColumns = array('seoTwitterImageId' => ColumnType::Int, 'seoFacebookImageId' => ColumnType::Int);
        $this->_addColumnsAfter("seomatic_meta", $newColumns, "seoImageId");
        // specify columns and AttributeType
        $newColumns = array('siteSeoTwitterImageId' => ColumnType::Int, 'siteSeoFacebookImageId' => ColumnType::Int);
        $this->_addColumnsAfter("seomatic_settings", $newColumns, "siteSeoImageId");
        // return true and let craft know its done
        return true;
    }