useDiscount

props	Type	Description	Example
`cartSubTotalAmount`	`Number`	Subtotal amount of cart	30
`couponTitle`	`String`	Coupon title
`couponTitleDisplay`	`String`	Coupon title display
`couponMessage`	`String`	Coupon message
`appliedDiscountCodeItem`	`Object`	Applied discount code item
`openCouponList`	`Function`	Open coupon list	`<button onClick={openCouponList}>Open Coupon List</button>`
`couponsList`	`Array`	Coupons list
`couponsListLoading`	`Boolean`	Coupons list loading	false
`onApplyCoupon`	`Function`	On apply coupon	`onApplyCoupon(couponCode);`
`onRemoveCoupon`	`Function`	On remove coupon	`onRemoveCoupon(couponCode);`
`hasCouponApplied`	`Boolean`	Has coupon applied	true
`isCouponApplyingLoading`	`Boolean`	Is coupon applying loading	false
`isCouponRemovingLoading`	`Boolean`	Is coupon removing loading	false
`canShowSuccessMessage`	`Boolean`	Can show success message	true
`dissmissSuccessMessage`	`Function`	Dissmiss success message	`dissmissSuccessMessage();`
`setSuccessMessage`	`Function`	Set success message	`setSuccessMessage('Success');`
`cartTotalQuantity`	`Number`	Total quantity of items in cart	2
`appliedAutomaticDiscountItem`	`Object`	automatic coupon object
`hasAutomaticDiscountApplied`	`Boolean`	has automatic coupon applied	true