Home > @vsf-enterprise/epcc-api > CartEndpoints > addPromotionToCart
# CartEndpoints.addPromotionToCart() method
Applies discount to your cart as a special cart item type.
Signature:
addPromotionToCart(context: ElasticPathIntegrationContext, params: AddPromotionToCartParams): Promise<CartItem[]>;
# Parameters
| Parameter | Type | Description |
|---|---|---|
| context | ElasticPathIntegrationContext | An auto-generated value prepended to the method as a first parameter. |
| params | AddPromotionToCartParams | An object which contains necessary properties for adding a discount to the cart. |
Returns:
Promise<CartItem[]>