<?php
class SystemGroup extends TRecord
{
    const TABLENAME  = 'system_group';
    const PRIMARYKEY = 'id';
    const IDPOLICY   = 'max'; // {max, serial}
    private $system_unit;
    /**
     * Constructor method
     */
    public function __construct($id = NULL, $callObjectLoad = TRUE)
    {
        parent::__construct($id, $callObjectLoad);
        parent::addAttribute('name');
        parent::addAttribute('system_unit_id');
    }
?>
 

 
<?php
    //método para salvar
   public static function onSave($param)
    {
        try
        {
            // open a transaction with database 'permission'
            TTransaction::open('permission');
            $user = SystemUser::find(TSession::getValue('userid'));
            $unitId = $user->system_unit_id;
            print_r($unitId);
            TTransaction::setLoggerFunction(function ($message) {
                echo $message . '<br>';
            });
            // get the form data into an active record System_group
            $object = new SystemGroup;
            $object->fromArray($param);
            $objetct->system_unit_id = $unitId;
            $object->store();
            $object->clearParts();
            $programs = TSession::getValue('program_list');
            if (!empty($programs))
            {
                foreach ($programs as $program)
                {
                    $object->addSystemProgram( new SystemProgram( $program['id'] ) );
                }
            }
            $data = new stdClass;
            $data->id = $object->id;
            TForm::sendData('form_System_group', $data);
            TTransaction::close(); // close the transaction
            new TMessage('info', _t('Record saved')); // shows the success message
        }
        catch (Exception $e) // in case of exception
        {
            // shows the exception error message
            new TMessage('error', $e->getMessage());
            // undo all pending operations
            TTransaction::rollback();
        }
    }
?>