googlemaps-code-GoogleMaps.php

<?php

class GoogleMaps extends DataExtension {
        static $db = array(
                        'Latitude' => 'Varchar',
                        'Longitude' => 'Varchar',
        );

        public function updateCMSFields(FieldList $fields) {
                $fields->push(new NumericField('Latitude'));
                $fields->push(new NumericField('Longitude'));
        }
}