provideKlarnaComponent

This method allows you get an instance of KlarnaComponent to manage payments for Klarna.

SWIFT

public func provideKlarnaComponent(with intent: PrimerSessionIntent) throws -> (any KlarnaComponent)? { }

​

Parameters

Hide Parameters

primerSessionIntent · <PrimerSessionIntent> · required

Sets the session intent to be used during session creation and tokenization.

Hide child attributes

.checkout

Use checkout when you want go through the checkout flow

.vault

Use vault when you want to vault a payment method, so you can use the token to pay another time.

​

Returns

An instance of KlarnaComponent.

Hide KlarnaComponent

Data · KlarnaCollectableData

The Data associated type

Show enum KlarnaCollectableData

paymentCategory

Enum member representing the payment category.

Hide Properties

paymentCategory · <KlarnaPaymentCategory>

Payment category required for session creation.

Show child attributes

KlarnaPaymentCategory

Show Properties

identifier · String · required

ID of the payment method category to be used while loading the payment view. The possible values are:

• klarna
• pay_later
• pay_now
• pay_over_time
• direct_bank_transfer
• direct_debit

name · String · required

Name of the payment method category. These names are dynamic depending on what payment method is in the category.

descriptiveAssetUrl · String · required

URL of the descriptive asset. Using this dynamic asset will make sure that changes from Klarna be automatically propagated.

standardAssetUrl · String · required

URL of the stadard asset. Using this dynamic asset will make sure that changes from Klarna be automatically propagated.

clientToken · <String?>

The client token used for validation purpose.

finalizePayment

Enum member representing finalizing the Klarna payment.

Step · KlarnaStep

The Step associated type

Show enum KlarnaStep

paymentSessionCreated(clientToken: String, paymentCategories: [KlarnaPaymentCategory])

Indicates a successful creation of a payment session. It caries clientToken string, which is used for validation purposes and paymentCategories of type KlarnaPaymentCategory, representing the available payment options for the user.

Hide Properties

clientToken · <String>

paymentCategories · Array <KlarnaPaymentCategory?>

The list of available Klarna payment categories.

Show child attributes

KlarnaPaymentCategory

Show Properties

identifier · String · required

ID of the payment method category to be used while loading the payment view. The possible values are:

• klarna
• pay_later
• pay_now
• pay_over_time
• direct_bank_transfer
• direct_debit

name · String · required

Name of the payment method category. These names are dynamic depending on what payment method is in the category.

descriptiveAssetUrl · String · required

URL of the descriptive asset. Using this dynamic asset will make sure that changes from Klarna be automatically propagated.

standardAssetUrl · String · required

URL of the stadard asset. Using this dynamic asset will make sure that changes from Klarna be automatically propagated.

viewInitialized

Indicates that the Klarna view has been initialized. This is the first step in the Klarna view handling process.

viewResized(height: CGFloat)

Represents a change in the view’s height, which may occur when the Klarna view adjusts to display different content. The height parameter specifies the new height of the view.

Hide Properties

height · <CGFloat>

viewLoaded(view: UIView?)

Indicates that the Klarna view has finished loading its initial content and is ready for interaction. The view parameter represents the klarna view.

Hide Properties

view · <UIView?>

paymentSessionAuthorized(authToken: String, checkoutData: PrimerCheckoutData)

Indicates that the payment session has been successfully authorized. It carries an authToken string for subsequent operations that require authorization and checkoutData for showing the checkout results, after the merchant finishes the payment.

Hide Properties

authToken · <String>

checkoutData · <PrimerCheckoutData?>

paymentSessionFinalizationRequired

Signals that the payment session requires finalization step in order to be completed.

paymentSessionFinalized(authToken: String, checkoutData: PrimerCheckoutData)

Indicates that the payment session has been finalized. It carries an authToken string for subsequent operations that require authorization and checkoutData for showing the checkout results, after the merchant finishes the payment.

Hide Properties

authToken · <String>

checkoutData · <PrimerCheckoutData?>

start

Initialize the component by calling the start function. This method should be called only once.

submit

Call submit function in order to process collected data and move component to next state.

errorDelegate · PrimerHeadlessErrorableDelegate

Error delegate will be triggered every time an error is thrown in the process.

SWIFT

  func didReceiveError(error: PrimerError)

validationDelegate · PrimerHeadlessValidatableDelegate

Validation delegate will be triggered every time collected data is updated.

SWIFT

  func didUpdate(validationStatus: PrimerValidationStatus, for data: PrimerCollectableData?)

PrimerValidationStatus · Enum

PrimerValidationStatus is an enum that represents the different validation statuses in the Primer SDK. It helps to communicate the state of validation for a particular process, providing clear categorization of validation states.

Hide enum PrimerValidationStatus

validating

Enum case representing the ongoing validation state. This indicates that the validation process is currently in progress.

valid

Enum case representing a successful validation state. This indicates that the validation process has completed successfully and the data is valid.

invalid

Enum case representing an unsuccessful validation state due to validation errors. This indicates that the validation process has completed but has found one or more errors in the data.

Hide Associated Value

errors · [PrimerValidationError]

An array of PrimerValidationError representing the specific validation errors found.

error

Enum case representing an error state due to an unexpected issue. This indicates that an unexpected error has occurred during the validation process.

Hide Associated Value

error · PrimerError

A PrimerError representing the unexpected error that occurred.

stepDelegate · PrimerHeadlessSteppableDelegate

Whenever start or submit methods are called, stepDelegate will trigger the next step in case the call to the mentioned method was successful.

In the case of KLARNA, the steps will be of type KlarnaStep.

KlarnaStep is an enum holding different output data for specific steps.

Show enum KlarnaStep

paymentSessionCreated(clientToken: String, paymentCategories: [KlarnaPaymentCategory])

Indicates a successful creation of a payment session. It caries clientToken string, which is used for validation purposes and paymentCategories of type KlarnaPaymentCategory, representing the available payment options for the user.

Hide Properties

clientToken · <String>

paymentCategories · Array <KlarnaPaymentCategory?>

The list of available Klarna payment categories.

Show child attributes

KlarnaPaymentCategory

Show Properties

identifier · String · required

ID of the payment method category to be used while loading the payment view. The possible values are:

• klarna
• pay_later
• pay_now
• pay_over_time
• direct_bank_transfer
• direct_debit

name · String · required

Name of the payment method category. These names are dynamic depending on what payment method is in the category.

descriptiveAssetUrl · String · required

URL of the descriptive asset. Using this dynamic asset will make sure that changes from Klarna be automatically propagated.

standardAssetUrl · String · required

URL of the stadard asset. Using this dynamic asset will make sure that changes from Klarna be automatically propagated.

viewInitialized

Indicates that the Klarna view has been initialized. This is the first step in the Klarna view handling process.

viewResized(height: CGFloat)

Represents a change in the view’s height, which may occur when the Klarna view adjusts to display different content. The height parameter specifies the new height of the view.

Hide Properties

height · <CGFloat>

viewLoaded(view: UIView?)

Indicates that the Klarna view has finished loading its initial content and is ready for interaction. The view parameter represents the klarna view.

Hide Properties

view · <UIView?>

paymentSessionAuthorized(authToken: String, checkoutData: PrimerCheckoutData)

Indicates that the payment session has been successfully authorized. It carries an authToken string for subsequent operations that require authorization and checkoutData for showing the checkout results, after the merchant finishes the payment.

Hide Properties

authToken · <String>

checkoutData · <PrimerCheckoutData?>

paymentSessionFinalizationRequired

Signals that the payment session requires finalization step in order to be completed.

paymentSessionFinalized(authToken: String, checkoutData: PrimerCheckoutData)

Indicates that the payment session has been finalized. It carries an authToken string for subsequent operations that require authorization and checkoutData for showing the checkout results, after the merchant finishes the payment.

Hide Properties

authToken · <String>

checkoutData · <PrimerCheckoutData?>

Example:

SWIFT

  func didReceiveStep(step: KlarnaStep)

updateCollectedData(collectableData: KlarnaCollectableData)

Update component with collected data by passing an enum representing collectable data. This method can be called at any point, even if you have only partially collected data. To validate the partially collected data, you can refer to the validationDelegate.

In case of KLARNA, the Data will be of type KlarnaCollectableData.

Show enum KlarnaCollectableData

paymentCategory

Enum member representing the payment category.

Hide Properties

paymentCategory · <KlarnaPaymentCategory>

Payment category required for session creation.

Show child attributes

KlarnaPaymentCategory

Show Properties

identifier · String · required

ID of the payment method category to be used while loading the payment view. The possible values are:

• klarna
• pay_later
• pay_now
• pay_over_time
• direct_bank_transfer
• direct_debit

name · String · required

Name of the payment method category. These names are dynamic depending on what payment method is in the category.

descriptiveAssetUrl · String · required

URL of the descriptive asset. Using this dynamic asset will make sure that changes from Klarna be automatically propagated.

standardAssetUrl · String · required

URL of the stadard asset. Using this dynamic asset will make sure that changes from Klarna be automatically propagated.

clientToken · <String?>

The client token used for validation purpose.

finalizePayment

Enum member representing finalizing the Klarna payment.

Example:

SWIFT

func updateCollectedData(collectableData: KlarnaCollectableData)

​

Example

SWIFT

do {
 manager = PrimerHeadlessUniversalCheckout.KlarnaManager()
 klarnaComponent = try manager.provideKlarnaComponent(with: sessionIntent)
} catch {
 // Catch errors here
}