PrimerHeadlessUniversalCheckout

• **var** delegate: PrimerHeadlessUniversalCheckoutDelegate?
• **var** uiDelegate: PrimerHeadlessUniversalCheckoutUIDelegate?
• **var** clientToken: String? (readonly)
• **func** start(withClientToken:settings:delegate:uiDelegate:completion)

PrimerHeadlessUniversalCheckoutDelegate

• **func** primerHeadlessUniversalCheckoutDidLoadAvailablePaymentMethods(_:)
• **func** primerHeadlessUniversalCheckoutDidCompleteCheckoutWithData(_:)
• **func** primerHeadlessUniversalCheckoutDidStartTokenization(for:) (optional)
• **func** primerHeadlessUniversalCheckoutDidTokenizePaymentMethod(_:decisionHandler:) (optional function, but make sure the decisionHandler is called if the function is implemented, otherwise the SDK will hang)
• **func** primerHeadlessUniversalCheckoutDidResumeWith(_:decisionHandler:) (optional function, but make sure the decisionHandler is called if the function is implemented, otherwise the SDK will hang)
• **func** primerHeadlessUniversalCheckoutDidEnterResumePendingWithPaymentAdditionalInfo(_:) (optional)
• **func** primerHeadlessUniversalCheckoutDidReceiveAdditionalInfo(_:) (optional)
• **func** primerHeadlessUniversalCheckoutWillUpdateClientSession() (optional)
• **func** primerHeadlessUniversalCheckoutClientSessionDidUpdate(_:) (optional)
• **func** primerHeadlessUniversalCheckoutWillCreatePaymentWithData(_:decisionHandler:) (optional function, but make sure the decisionHandler is called if the function is implemented, otherwise the SDK will hang)
• **func** primerHeadlessUniversalCheckoutDidFail(withError:) (optional)

PrimerHeadlessUniversalCheckoutUIDelegate

• **func** primerHeadlessUniversalCheckoutUIDidStartPreparation(for:) (optional)
• **func** primerHeadlessUniversalCheckoutUIDidShowPaymentMethod(for:) (optional)