Blocks

  • A block called with a connection token or an error from your backend.

    See

    SCPConnectionTokenProvider

    Declaration

    Objective-C

    typedef void (^SCPConnectionTokenCompletionBlock)(NSString *_Nullable,
                                                      NSError *_Nullable)

    Swift

    typealias ConnectionTokenCompletionBlock = (String?, Error?) -> Void

    Parameters

    token

    The connection token from your backend server.

    error

    An error if one occurred, or nil.

  • A block called with an optional error.

    Declaration

    Objective-C

    typedef void (^SCPErrorCompletionBlock)(NSError *_Nullable)

    Swift

    typealias ErrorCompletionBlock = (Error?) -> Void

    Parameters

    error

    The error, or nil if no error occured.

  • A block called with a logline from the SDK.

    Declaration

    Objective-C

    typedef void (^SCPLogListenerBlock)(NSString *_Nonnull)

    Swift

    typealias LogListenerBlock = (String) -> Void

    Parameters

    logline

    An internal logline from the SDK.

  • A block called with a PaymentIntent or an error.

    Declaration

    Objective-C

    typedef void (^SCPPaymentIntentCompletionBlock)(SCPPaymentIntent *_Nullable,
                                                    NSError *_Nullable)

    Swift

    typealias PaymentIntentCompletionBlock = (SCPPaymentIntent?, Error?) -> Void

    Parameters

    intent

    The PaymentIntent, or nil.

    error

    An error if one occurred, or nil.

  • A block called with a PaymentMethod.

    Declaration

    Objective-C

    typedef void (^SCPPaymentMethodCompletionBlock)(SCPPaymentMethod *_Nullable,
                                                    NSError *_Nullable)

    Swift

    typealias PaymentMethodCompletionBlock = (SCPPaymentMethod?, Error?) -> Void

    Parameters

    paymentMethod

    A PaymentMethod object, or nil if an error occurred.

    error

    An error if one occurred, or nil.

  • A block called with a PaymentIntent or a ProcessPaymentError

    Declaration

    Objective-C

    typedef void (^SCPProcessPaymentCompletionBlock)(
        SCPPaymentIntent *_Nullable, SCPProcessPaymentError *_Nullable)

    Swift

    typealias ProcessPaymentCompletionBlock = (SCPPaymentIntent?, SCPProcessPaymentError?) -> Void

    Parameters

    intent

    The PaymentIntent, or nil.

    error

    An error if one occurred, or nil.

  • A block called with a reader object or an error.

    Declaration

    Objective-C

    typedef void (^SCPReaderCompletionBlock)(SCPReader *_Nullable,
                                             NSError *_Nullable)

    Swift

    typealias ReaderCompletionBlock = (SCPReader?, Error?) -> Void

    Parameters

    reader

    A reader object, or nil.

    error

    An error if one occurred, or nil.

  • A block called with a ReaderSoftwareUpdate or an error. If there is no update and no error the block will be called with (nil, nil).

    Declaration

    Objective-C

    typedef void (^SCPReaderSoftwareUpdateCompletionBlock)(
        SCPReaderSoftwareUpdate *_Nullable, NSError *_Nullable)

    Swift

    typealias ReaderSoftwareUpdateCompletionBlock = (SCPReaderSoftwareUpdate?, Error?) -> Void

    Parameters

    update

    An update object, or nil.

    error

    An error if one occurred, or nil.