NeoDay iOS SDK - Coupons

    /// Makes the Coupons Overview screen that shows all the Coupons available for a user.
    ///
    /// - parameter completion: Contains the screen with all the Coupons.
    public func makeCouponsOverview(
        _ completion: @escaping (Result<UIViewController, Error>) -> Void
    )
        
    /// Makes the Coupon detail screen based on the couponSlipID.
    ///
    /// - parameter couponSlipID: The id of the CouponSlip.
    /// - parameter completion: Returns the Coupon Detail screen or an Error.
    public func makeCouponDetail(
        couponSlipID: String,
        _ completion: @escaping (Result<UIViewController, Error>) -> Void
    )

sdk.makeCouponsOverview { [weak self] result in
    guard let self = self else {
        return
    }
    
    switch result {
        case let .success(viewController):
            // Display the viewController
            
        case let .failure(error):
            // Handle the error
    }
}

sdk.makeCouponDetail(couponSlipID: "coupon-slip-id") { [weak self] result in
    guard let self = self else {
        return
    }
    
    switch result {
        case let .success(viewController):
            // Display the viewController
            
        case let .failure(error):
            // Handle the error
    }
}