public function initializeArguments()
{
$this->registerArgument('table', 'string', 'The table to lookup records.', true);
$this->registerArgument('field', 'string', 'The field of the table associated to resources.', true);
$this->registerArgument('record', 'array', 'The actual record. Alternatively you can use the "uid" argument.', false, null);
$this->registerArgument('uid', 'integer', 'The uid of the record. Alternatively you can use the "record" argument.', false, null);
$this->registerArgument('as', 'string', 'If specified, a template variable with this name containing the requested data will be inserted ' . 'instead of returning it.', false, null);
}