<?php namespace Walisph\Merchant;

interface ProductInterface {

	public function getProductName();

	public function getDescription();

	public function getPrice();

	public function getManufacturer();

	public function getBrand();

	public function getProductModel();

}
 
<?php namespace Walisph\Merchant;

interface ProductInterface {

	public function getProductName();

	public function getDescription();

	public function getPrice();

	public function getManufacturer();

	public function getBrand();

	public function getProductModel();

	public function getType();

}
 
Add new interface for type
Add new interface for type