PrimerHeadlessUniversalCheckout

• **fun** setCheckoutListener(listener: PrimerHeadlessUniversalCheckoutListener)
• **fun** setCheckoutUiListener(listener:``PrimerHeadlessUniversalCheckoutUiListener)
• **fun** start(context:clientToken:settings:checkoutListener:uiListener)
• **fun** cleanup()

PrimerHeadlessUniversalCheckoutListener

• **fun**``onAvailablePaymentMethodsLoaded(_:)
• funonCheckoutCompleted(_:)
• funonTokenizationStarted(:) (optional)
• funonTokenizeSuccess(_:decisionHandler:) (optional)
• funonResumeSuccess(_:decisionHandler:) (optional)
• **fun**``onResumePending(_:) (optional)
• funonAdditionalInfoReceived(_:) (optional)
• funonBeforeClientSessionUpdated() (optional)
• funonClientSessionUpdated(_:) (optional)
• funonBeforePaymentCreated(_:``createPaymentHandler:) (optional)
• funonFailed(error:) (optional)

PrimerHeadlessUniversalCheckoutUiListener

• funonPreparationStarted(:) (optional)
• funonPaymentMethodShowed(:) (optional)