code/DashboardHasManyRelationEditor.php
public function DetailForm() {
		$form = Form::create(
			$this,
			"DetailForm",
			Injector::inst()->get($this->editor->relationClass)->getConfiguration(),
			FieldList::create(
				FormAction::create('saveDetail',_t('Dashboard.SAVE','Save'))
					->setUseButtonTag(true)
					->addExtraClass('ss-ui-action-constructive small'),
				FormAction::create('cancel',_t('Dashboard.CANCEL','Cancel'))
					->setUseButtonTag(true)
					->addExtraClass('small')
			)		
		);
		$form->setHTMLID("Form_DetailForm_".$this->panel->ID."_".$this->item->ID);
		$form->loadDataFrom($this->item);
		$form->addExtraClass('dashboard-has-many-editor-detail-form-form');
		return $form;
	}
public function DetailForm() {
		$form = Form::create(
			$this,
			"DetailForm",
			Injector::inst()->get($this->editor->relationClass)->getConfiguration(),
			FieldList::create(
				FormAction::create('saveDetail',_t('Dashboard.SAVE','Save'))
					->setUseButtonTag(true)
					->addExtraClass('ss-ui-action-constructive small'),
				FormAction::create('cancel',_t('Dashboard.CANCEL','Cancel'))
					->setUseButtonTag(true)
					->addExtraClass('small')
			)		
		);
		$form->setHTMLID("Form_DetailForm_".$this->panel->ID."_".$this->item->ID);
		$form->loadDataFrom($this->item);
		$form->addExtraClass('dashboard-has-many-editor-detail-form-form');
		return $form;
	}
Provides a form to edit or create an object managed by the editor

@return Form