customize column name for reference

backend/app/plugins/wiaas/includes/admin/admin-cl/class-wiaas-admin-cl-packages.php

@@ -148,6 +148,7 @@ class Wiaas_Admin_CL_Packages {
 
 		$cl_columns['thumb'] = $columns['thumb'];
 		$cl_columns['wiaas_cl_name'] = $columns['name'];
+		$cl_columns['taxonomy-product_tag']  = __( 'Reference', 'wiaas' );
 		$cl_columns['taxonomy-package_type'] = __('Type', 'wiaas');
 		$cl_columns['taxonomy-package_status'] = __('Status', 'wiaas');
 		$cl_columns['taxonomy-product_country'] = $columns['taxonomy-product_country'];

backend/app/plugins/wiaas/includes/admin/class-wiaas-admin-package.php

@@ -12,6 +12,8 @@ class Wiaas_Admin_Package {
 		require_once dirname( __FILE__ ) . '/package/class-wiaas-admin-package-types.php';
 
 		add_action( 'woocommerce_product_data_tabs', array( __CLASS__, 'package_data_tabs' ), 1 );
+
+		add_action( 'manage_product_posts_columns', array( __CLASS__, 'manage_list_table_products_columns' ), 999, 2 );
 	}
 
 	/**
@@ -32,6 +34,19 @@ class Wiaas_Admin_Package {
 
 		return $tabs;
 	}
+
+	/**
+	 * Customize list table product columns
+	 *
+	 * @param array $columns
+	 *
+	 * @return array
+	 */
+	public static function manage_list_table_products_columns($columns) {
+		$columns['product_tag'] = __( 'Reference', 'wiaas' );
+
+		return $columns;
+	}
 }
 
 Wiaas_Admin_Package::init();

backend/app/plugins/wiaas/includes/class-wiaas-product.php

@@ -41,6 +41,7 @@ class Wiaas_Product {
 
 	/**
 	 * Hide default metabox for product tags
+	 *
 	 * @param $args
 	 *
 	 * @return array