formBuilder ->add( "price", "number", [ "label"=>Translator::getInstance()->trans("Price", [], LocalPickup::DOMAIN_NAME), "label_attr"=> [ "for"=>"pricefield" ], "constraints"=> [ new NotBlank(), new GreaterThanOrEqual([ 'value' => 0 ]) ] ] ) ; } /** * @return string the name of you form. This name must be unique */ public function getName() { return "set-delivery-price-localpickup"; } }