How to remove Promotion code (data).

Description :

Removing a promotion from the cart. If the promotion is removed successfully, the cart total is updated and the promotion no longer appears in the cart.

Code :

var cart = container.getComponent("Cart");

if (cart) {
    cart.removePromotion({promocode_internalid: "22"}).fail(function() {
        console.log("Could not remove promotion.");
    });
}

Parameters
Name    Type    Description
data    Object    
The promotion to remove from the cart. data is an object with a single property promocode_internalid. The value of promocode_internalid is the internal ID of the promotion. You can use the getPromotions() method to get the internal IDs of all promotions currently applied.

Returns
Deferred
Returns a Deferred object. If the promise is resolved, it indicates the promotion was removed successfully. Otherwise, if the promise fails, it returns an error message.