"Company", "HasOnePage" => "SiteTree", ); static $has_many = array( "HasManyCompanies" => "Company", "HasManyPages" => "SiteTree", ); static $many_many = array( "ManyManyCompanies" => "Company", "ManyManyPages" => "SiteTree", ); function getCMSFields($class = null, $extension = null) { $fields = parent::getCMSFields(); $fields->addFieldToTab("Root.CheckboxSet", new CheckboxSetField("CheckboxSet", "CheckboxSetField", TestCategory::map()) ); $fields->addFieldsToTab('Root.Tree', array( Object::create('TreeDropdownField', 'HasOnePage', 'HasOnePage', 'SiteTree'), Object::create('TreeMultiselectField', 'HasManyPages', 'HasManyPages', 'SiteTree'), Object::create('TreeMultiselectField', 'ManyManyPages', 'ManyManyPages (with search)', 'SiteTree')->setShowSearch(true) )); // $fields->addFieldToTab("Root.Tests.ComplexTableField", // new CheckboxSetField("CheckboxSet", "CheckboxSetField", TestCategory::map())); // $fields->addFieldToTab("Root.Tests.CheckboxSet", new CheckboxSetField("CheckboxSet", "CheckboxSetField", TestCategory::map())); return $fields; } } class RelationFieldsTestPage_Controller extends TestPage_Controller { }