# Package-level declarations

Classes to collect payments.

## Types

AdditionalPaymentMethod
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sealed class AdditionalPaymentMethod

A description of a payment method that is not via a card reader.

Card
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class Card : Parcelable

Information about the card used in a purchase.

CardPaymentDetails
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sealed class CardPaymentDetails

Details about a successful card payment.

CashPaymentDetails
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class CashPaymentDetails(val buyerSuppliedMoney: Money, val changeBackMoney: Money)

Details about a successful cash payment.

CurrencyCode
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enum CurrencyCode : Enum<CurrencyCode>

Represents a currency. Currencies are identified by their ISO 4217 currency codes.

DelayAction
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enum DelayAction : Enum<DelayAction>

Actions possible when an authorized payment is neither canceled nor completed in time.

DigitalWalletDetails
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class DigitalWalletDetails(val walletBrand: WalletBrand?, val buyerId: String?)
ExternalPaymentDetails
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class ExternalPaymentDetails(val type: String, val source: String, val sourceId: String? = null, val sourceFeeMoney: Money? = null)

Holder class for external payment data.

Money
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class Money(val amount: Long, val currencyCode: CurrencyCode)

A representation of a specific amount of money.

OfflinePaymentQueue
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interface OfflinePaymentQueue

A queue of offline payments taken on this device that have not yet been uploaded to the Square server.

Payment
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sealed class Payment

The description of a completed payment, returned in the success value of Payment Result. All currency amounts are specified in the smallest denomination of the applicable currency. For example, US dollar amounts are specified in cents.

PaymentErrorCode
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enum PaymentErrorCode : Enum<PaymentErrorCode> , ErrorCode

Error conditions that arise during payments. Like other categories of error codes, these are separated between "usage errors" which a careful developer could and should have avoided, and regular errors which cannot be prevented during normal operation. For example, NOT_AUTHORIZED is not a usage error, because user might be force-logged out during payment process and server will then return error 401. However, developers should be checking that Mobile Payments SDK has been authorized and, if not, disabling the controls that lead to a call to PaymentManager.startPaymentActivity; TIMEOUT is a regular, non-usage error because network conditions are unpredictable and might be severed in the middle of a transaction; even with the best of developers' care, timeouts sometimes just happen.

PaymentHandle
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interface PaymentHandle

Representation of a payment process available immediately from PaymentManager.startPaymentActivity. Provides a way to interact with an ongoing payment, e.g. cancel it or select additionalPaymentMethods. Additionally, one can get idempotencyKey of the payment that was just created.

PaymentManager
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interface PaymentManager

Processes payments for Mobile Payments SDK.

PaymentParameters
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class PaymentParameters

Parameters to describe a single payment made using Mobile Payments SDK. Use Builder to create and configure payment parameters, for example:

PaymentProcessingFee
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class PaymentProcessingFee(val effectiveAt: Date, val type: PaymentProcessingFee.Type, val amountMoney: Money)

Processing fees and fee adjustments assessed by Square on this payment.

PaymentSettings
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data class PaymentSettings(val isOfflineProcessingAllowed: Boolean, val offlineTransactionAmountLimit: Money?, val offlineTotalStoredAmountLimit: Money?)

Read-only settings that provide payment settings based on the current authenticated seller.

ProcessingMode
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enum ProcessingMode : Enum<ProcessingMode>

PaymentParameters "processingMode" parameter will determine whether the current payment needs to be processed online or offline.

PromptMode
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enum PromptMode : Enum<PromptMode>

Specifies whether to display the DEFAULT Square-provided payment prompt UI or a CUSTOM UI provided by the developer.

PromptParameters
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class PromptParameters(val mode: PromptMode = PromptMode.DEFAULT, val additionalPaymentMethods: List<AdditionalPaymentMethod.Type> = AdditionalPaymentMethod.allPaymentMethods)

Parameters for configuring the payment prompt UI. Includes:

SquareAccountDetails
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class SquareAccountDetails(val paymentSourceToken: String, val errors: List<ErrorDetails>?)

Details about a Square Account Payment.

WalletBrand
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enum WalletBrand : Enum<WalletBrand>