Discounts

API

UseApplyDiscountCodeChangeGeneratedType

Returns a function to add or remove discount codes. > Caution: > See [security considerations](/docs/api/checkout-ui-extensions/configuration#network-access) if your extension retrieves discount codes through a network call.

(change: DiscountCodeChange) => Promise<DiscountCodeChangeResult>

export function useApplyDiscountCodeChange<
  Target extends RenderExtensionTarget = RenderExtensionTarget,
>(): (change: DiscountCodeChange) => Promise<DiscountCodeChangeResult> {
  const api = useApi<Target>();

  if ('applyDiscountCodeChange' in api) {
    return api.applyDiscountCodeChange;
  }

  throw new ExtensionHasNoMethodError(
    'applyDiscountCodeChange',
    api.extension.target,
  );
}

DiscountCodeChange

DiscountCodeAddChange | DiscountCodeRemoveChange

DiscountCodeAddChange

• type

  The type of the `DiscountCodeChange` API.

  "addDiscountCode"

• code

  The code for the discount

  string

export interface DiscountCodeAddChange {
  /**
   * The type of the `DiscountCodeChange` API.
   */
  type: 'addDiscountCode';

  /**
   * The code for the discount
   */
  code: string;
}

DiscountCodeRemoveChange

• type

  The type of the `DiscountCodeChange` API.

  "removeDiscountCode"

• code

  The code for the discount

  string

export interface DiscountCodeRemoveChange {
  /**
   * The type of the `DiscountCodeChange` API.
   */
  type: 'removeDiscountCode';

  /**
   * The code for the discount
   */
  code: string;
}

DiscountCodeChangeResult

DiscountCodeChangeResultSuccess | DiscountCodeChangeResultError

DiscountCodeChangeResultSuccess

• type

  Indicates that the discount code change was applied successfully.

  "success"

export interface DiscountCodeChangeResultSuccess {
  /**
   * Indicates that the discount code change was applied successfully.
   */
  type: 'success';
}

DiscountCodeChangeResultError

• type

  Indicates that the discount code change failed.

  "error"

• message

  A message that explains the error. This message is useful for debugging. It is **not** localized, and therefore should not be presented directly to the buyer.

  string

export interface DiscountCodeChangeResultError {
  /**
   * Indicates that the discount code change failed.
   */
  type: 'error';

  /**
   * A message that explains the error. This message is useful for debugging.
   * It is **not** localized, and therefore should not be presented directly
   * to the buyer.
   */
  message: string;
}

UseDiscountAllocationsGeneratedType

Returns the current discount allocations applied to the cart, and automatically re-renders your component if discount allocations changed.

CartDiscountAllocation[]

export function useDiscountAllocations<
  Target extends RenderExtensionTarget = RenderExtensionTarget,
>(): CartDiscountAllocation[] {
  const {discountAllocations} = useApi<Target>();

  return useSubscription(discountAllocations);
}

CartDiscountAllocation

CartCodeDiscountAllocation | CartAutomaticDiscountAllocation | CartCustomDiscountAllocation

CartCodeDiscountAllocation

• code

  The code for the discount

  string

• type

  The type of the code discount

  "code"

• discountedAmount

  The money amount that has been discounted from the order

  Money

export interface CartCodeDiscountAllocation extends CartDiscountAllocationBase {
  /**
   * The code for the discount
   */
  code: string;

  /**
   * The type of the code discount
   */
  type: 'code';
}

Money

• amount

  The price amount.

  number

• currencyCode

  The ISO 4217 format for the currency.

  CurrencyCode

export interface Money {
  /**
   * The price amount.
   */
  amount: number;
  /**
   * The ISO 4217 format for the currency.
   * @example 'CAD' for Canadian dollar
   */
  currencyCode: CurrencyCode;
}

CurrencyCode

'AED' | 'AFN' | 'ALL' | 'AMD' | 'ANG' | 'AOA' | 'ARS' | 'AUD' | 'AWG' | 'AZN' | 'BAM' | 'BBD' | 'BDT' | 'BGN' | 'BHD' | 'BIF' | 'BMD' | 'BND' | 'BOB' | 'BOV' | 'BRL' | 'BSD' | 'BTN' | 'BWP' | 'BYN' | 'BZD' | 'CAD' | 'CDF' | 'CHE' | 'CHF' | 'CHW' | 'CLF' | 'CLP' | 'CNY' | 'COP' | 'COU' | 'CRC' | 'CUC' | 'CUP' | 'CVE' | 'CZK' | 'DJF' | 'DKK' | 'DOP' | 'DZD' | 'EGP' | 'ERN' | 'ETB' | 'EUR' | 'FJD' | 'FKP' | 'GBP' | 'GEL' | 'GHS' | 'GIP' | 'GMD' | 'GNF' | 'GTQ' | 'GYD' | 'HKD' | 'HNL' | 'HRK' | 'HTG' | 'HUF' | 'IDR' | 'ILS' | 'INR' | 'IQD' | 'IRR' | 'ISK' | 'JMD' | 'JOD' | 'JPY' | 'KES' | 'KGS' | 'KHR' | 'KMF' | 'KPW' | 'KRW' | 'KWD' | 'KYD' | 'KZT' | 'LAK' | 'LBP' | 'LKR' | 'LRD' | 'LSL' | 'LYD' | 'MAD' | 'MDL' | 'MGA' | 'MKD' | 'MMK' | 'MNT' | 'MOP' | 'MRU' | 'MUR' | 'MVR' | 'MWK' | 'MXN' | 'MXV' | 'MYR' | 'MZN' | 'NAD' | 'NGN' | 'NIO' | 'NOK' | 'NPR' | 'NZD' | 'OMR' | 'PAB' | 'PEN' | 'PGK' | 'PHP' | 'PKR' | 'PLN' | 'PYG' | 'QAR' | 'RON' | 'RSD' | 'RUB' | 'RWF' | 'SAR' | 'SBD' | 'SCR' | 'SDG' | 'SEK' | 'SGD' | 'SHP' | 'SLL' | 'SOS' | 'SRD' | 'SSP' | 'STN' | 'SVC' | 'SYP' | 'SZL' | 'THB' | 'TJS' | 'TMT' | 'TND' | 'TOP' | 'TRY' | 'TTD' | 'TWD' | 'TZS' | 'UAH' | 'UGX' | 'USD' | 'USN' | 'UYI' | 'UYU' | 'UYW' | 'UZS' | 'VES' | 'VND' | 'VUV' | 'WST' | 'XAF' | 'XAG' | 'XAU' | 'XBA' | 'XBB' | 'XBC' | 'XBD' | 'XCD' | 'XDR' | 'XOF' | 'XPD' | 'XPF' | 'XPT' | 'XSU' | 'XTS' | 'XUA' | 'XXX' | 'YER' | 'ZAR' | 'ZMW' | 'ZWL'

CartAutomaticDiscountAllocation

• title

  The title of the automatic discount

  string

• type

  The type of the automatic discount

  "automatic"

• discountedAmount

  The money amount that has been discounted from the order

  Money

export interface CartAutomaticDiscountAllocation
  extends CartDiscountAllocationBase {
  /**
   * The title of the automatic discount
   */
  title: string;

  /**
   * The type of the automatic discount
   */
  type: 'automatic';
}

CartCustomDiscountAllocation

• title

  The title of the custom discount

  string

• type

  The type of the custom discount

  "custom"

• discountedAmount

  The money amount that has been discounted from the order

  Money

export interface CartCustomDiscountAllocation
  extends CartDiscountAllocationBase {
  /**
   * The title of the custom discount
   */
  title: string;

  /**
   * The type of the custom discount
   */
  type: 'custom';
}

UseDiscountCodesGeneratedType

Returns the current discount codes applied to the cart, and automatically re-renders your component if discount codes are added or removed.

CartDiscountCode[]

export function useDiscountCodes<
  Target extends RenderExtensionTarget = RenderExtensionTarget,
>(): CartDiscountCode[] {
  const {discountCodes} = useApi<Target>();

  return useSubscription(discountCodes);
}

CartDiscountCode

• code

  The code for the discount

  string

export interface CartDiscountCode {
  /**
   * The code for the discount
   */
  code: string;
}