How to add a discount to the cart total in woocommerce?

@kadin 

To add a discount to the cart total in WooCommerce, you can follow these steps:

1. Login to your WordPress admin dashboard.
2. Go to WooCommerce > Settings.
3. Click on the "Coupons" tab.
4. Click on the "Add Coupon" button to create a new coupon.
5. Enter a coupon code that customers can use to apply the discount at checkout.
6. Set the type of discount you want to offer (percentage discount, fixed cart discount, etc.).
7. Set the amount of the discount.
8. Configure any additional settings for the coupon, such as expiration date, usage limits, etc.
9. Save the coupon.
10. Test the coupon by adding a product to your cart and applying the coupon at checkout to make sure the discount is being applied correctly.

Once you have set up the coupon, customers can enter the coupon code at checkout to apply the discount to their cart total.