How to display the buy button in bitrix, which immediately leads to the checkout of the goods?

Question

1C-Bitrix

Good evening, tell me how to display a button to drink a certain product, when clicked, the user immediately led to the checkout of the product? (bep photo, product, no description, just a button to buy)

Answer 1

<?
$PRODUCT_ID = 30546; //ID товара или $arResult[ID] если шаблон детальной страницы.
if (CModule::IncludeModule("catalog")) {
  if ($PRODUCT_ID) {
    Add2BasketByProductID(
      $PRODUCT_ID,
      1, //количество товара
      false
    );

    LocalRedirect("/cart/"); //ссылка на корзину
  }
}
?>