code/panels/DashboardPanel.php
public function getConfiguration() {
		return FieldList::create(
			DashboardButtonOptionsField::create("PanelSize",_t('Dashboard.PANELSIZE',''), array(
				'small' => '',
				'normal' => '',
				'large' => ''
			))->setSize("small"),

			TextField::create("Title", _t('Dashboard.TITLE','Title'))
		);
	}
public function getConfiguration() {
		return FieldList::create(
			DashboardButtonOptionsField::create("PanelSize",_t('Dashboard.PANELSIZE',''), array(
				'small' => '',
				'normal' => '',
				'large' => ''
			))->setSize("small"),

			TextField::create("Title", _t('Dashboard.TITLE','Title'))
		);
	}
Gets the {@link FieldList} object that is used to configure the fields on this panel.
Similar to getCMSFields().

@return FieldList