Costumer:
  actAs:
    Timestampable: ~
  columns:
    name:                     { type: string(255), notnull: true }
    first_name:               { type: string(255), notnull: true }

Event:
  actAs:
    Timestampable: ~
  columns:
    costumer_id:              { type: integer, notnull: true }
    title:                    { type: string(255), notnull: true }
    start_date:               { type: timestamp, notnull: true }
    end_date:                 { type: timestamp, notnull: true }
  relations:
    Costumer:                 { onDelete: CASCADE, local: costumer_id, foreign: id }

class EventForm extends BaseEventForm
{
  public function configure()
  {
    unset($this['created_at'], $this['updated_at']);

    $this->embedForm('costumer', new CostumerForm(new Costumer()));
  }
}

ervice:
  tableName: services
  columns:
    id:
      type: integer(4)
      primary: true
      notnull: true
      autoincrement: true
    name:
      type: string(45)
    category_id:
      type: integer(4)
      notnull: true
    headline:
      type: clob(65535)
    teaser_text:
      type: clob(65535)
    text:
      type: clob(65535)
  actAs:
    Timestampable: ~  
    I18n:
      fields: [name, headline, teaser_text, text]     
    Sluggable:
      unique:   true
      canUpdate: true
      fields:   [ name ]  
  relations:
    category:
      class: category
      local: category_id
      foreign: id
      foreignAlias: services
  indexes:
    fk_Leistungen_Kategorien1:
      fields: [category_id]

Spieltag:
  columns:
    datum:    { type: timestamp, notnull: true }
    

SpieltagDetail:
  columns:  
    location:     { type: string(255), notnull: true }
    beschreibung: { type: string(255), notnull: true }
    spieltag_id:  { type: integer, notnull: true }
  relations:
    Spieltag:
      class:        Spieltag
      local:        spieltag_id
      foreign:      id
      foreignAlias: SpieltagDetails
      onDelete:     cascade

class SpieltagForm extends BaseSpieltagForm
{
  protected $numbersToDelete = array();

  public function configure()
  {
    $newSpieltagDetail = new SpieltagDetail();
    $newSpieltagDetail->setSpieltag($this->object);
    $newSpieltagDetailForm = new SpieltagDetailForm($newSpieltagDetail);
    $this->embedForm('newSpieltagDetail', $newSpieltagDetailForm);

    $this->embedRelation('SpieltagDetails');
  }
  
  protected function doBind(array $values)
  {
    if ('' === trim($values['newSpieltagDetail']['location'])) {
      unset($values['newSpieltagDetail'], $this['newSpieltagDetail']);
    }
    
    if (isset($values['SpieltagDetails'])) {
      foreach ($values['SpieltagDetails'] as $key => $spieltagDetail) {
        if (isset($spieltagDetail['delete']) && $spieltagDetail['id']) {
          $this->numbersToDelete[$key] = $spieltagDetail['id'];
        }
      }
    }  
    parent::doBind($values);
  }
  
  protected function doUpdateObject($values) 
  {
    if (count($this->numbersToDelete)) {
      foreach ($this->numbersToDelete as $index => $id) {
        unset($values['SpieltagDetails'][$index]);
        unset($this->object['SpieltagDetails'][$index]);
        SpieltagDetailTable::getInstance()->findOneById($id)->delete();
      }
    }

    parent::doUpdateObject($values);
  }
  
  public function saveEmbeddedForms($con = null, $forms = null) {
    if (null === $con) {
      $con = $this->getConnection();
    }

    if (null === $forms) {
      $forms = $this->embeddedForms;
    }

    foreach ($forms as $form) {
      if ($form instanceof sfFormObject) {
        // step 4.5
        if (!in_array($form->getObject()->getId(), $this->numbersToDelete)) {
          $form->saveEmbeddedForms($con);
          $form->getObject()->save($con);
        }
      } else {
        $this->saveEmbeddedForms($con, $form->getEmbeddedForms());
      }
    }
  }  
}

class SpieltagDetailForm extends BaseSpieltagDetailForm
{
  public function configure()
  {
    unset($this['spieltag_id']);
    
    if ($this->object->exists()) {
      $this->widgetSchema['delete'] = new sfWidgetFormInputCheckbox();
      $this->validatorSchema['delete'] = new sfValidatorPass();
    }
  }
}

public function save($con = null) {
  ...
  $this->getObject()->setMyFieldNameId('4711');
  ...

  return parent::save($con);
}

<img src="<?php echo sfConfig::get('sf_data_dir').'/thumbnails/'.$Participant->getPhoto(); ?>">

sfWidgetFormPropelChoice(array('model' => 'PersonSkills','multiple' => true, 'expanded' => true))