# useApplyShippingAddressChange

Returns a function to mutate the `shippingAddress` property of checkout.

## 

### UseApplyShippingAddressChangeGeneratedType

Returns a function to mutate the `shippingAddress` property of checkout.

#### Returns: (change: ShippingAddressChange) => Promise<ShippingAddressChangeResult> | undefined
export function useApplyShippingAddressChange<
  Target extends RenderExtensionTarget = RenderExtensionTarget,
>():
  | ((change: ShippingAddressChange) => Promise<ShippingAddressChangeResult>)
  | undefined {
  const api = useApi<Target>();

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

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


### ShippingAddressChange

### type

value: `"updateShippingAddress"`

The type of the `ShippingAddressUpdateChange` API.

### address

value: `Partial<MailingAddress>`

  - MailingAddress: export interface MailingAddress {
  /**
   * The buyer's full name.
   *
   * {% include /apps/checkout/privacy-icon.md %} Requires level 2 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).
   *
   * @example 'John Doe'
   */
  name?: string;

  /**
   * The buyer's first name.
   *
   * {% include /apps/checkout/privacy-icon.md %} Requires level 2 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).
   *
   * @example 'John'
   */
  firstName?: string;

  /**
   * The buyer's last name.
   *
   * {% include /apps/checkout/privacy-icon.md %} Requires level 2 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).
   *
   * @example 'Doe'
   */
  lastName?: string;

  /**
   * The buyer's company name.
   *
   * {% include /apps/checkout/privacy-icon.md %} Requires level 1 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).
   *
   * @example 'Shopify'
   */
  company?: string;

  /**
   * The first line of the buyer's address, including street name and number.
   *
   * {% include /apps/checkout/privacy-icon.md %} Requires level 2 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).
   *
   * @example '151 O'Connor Street'
   */
  address1?: string;

  /**
   * The second line of the buyer's address, like apartment number, suite, etc.
   *
   * {% include /apps/checkout/privacy-icon.md %} Requires level 2 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).
   *
   * @example 'Ground floor'
   */
  address2?: string;

  /**
   * The buyer's city.
   *
   * {% include /apps/checkout/privacy-icon.md %} Requires level 2 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).
   *
   * @example 'Ottawa'
   */
  city?: string;

  /**
   * The buyer's postal or ZIP code.
   *
   * {% include /apps/checkout/privacy-icon.md %} Requires level 2 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).
   *
   * @example 'K2P 2L8'
   */
  zip?: string;

  /**
   * The ISO 3166 Alpha-2 format for the buyer's country. Refer to https://www.iso.org/iso-3166-country-codes.html.
   *
   * {% include /apps/checkout/privacy-icon.md %} Requires level 2 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).
   *
   * @example 'CA' for Canada.
   */
  countryCode?: CountryCode;

  /**
   * The buyer's province code, such as state, province, prefecture, or region.
   *
   * {% include /apps/checkout/privacy-icon.md %} Requires level 2 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).
   *
   * @example 'ON' for Ontario.
   */
  provinceCode?: string;

  /**
   * The buyer's phone number.
   *
   * {% include /apps/checkout/privacy-icon.md %} Requires level 2 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).
   *
   * @example '+1 613 111 2222'.
   */
  phone?: string;
}
Fields to update in the shipping address. You only need to provide
values for the fields you want to update — any fields you do not list
will keep their current values.

### MailingAddress

### name

value: `string`

The buyer's full name.

{% include /apps/checkout/privacy-icon.md %} Requires level 2 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).

### firstName

value: `string`

The buyer's first name.

{% include /apps/checkout/privacy-icon.md %} Requires level 2 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).

### lastName

value: `string`

The buyer's last name.

{% include /apps/checkout/privacy-icon.md %} Requires level 2 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).

### company

value: `string`

The buyer's company name.

{% include /apps/checkout/privacy-icon.md %} Requires level 1 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).

### address1

value: `string`

The first line of the buyer's address, including street name and number.

{% include /apps/checkout/privacy-icon.md %} Requires level 2 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).

### address2

value: `string`

The second line of the buyer's address, like apartment number, suite, etc.

{% include /apps/checkout/privacy-icon.md %} Requires level 2 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).

### city

value: `string`

The buyer's city.

{% include /apps/checkout/privacy-icon.md %} Requires level 2 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).

### zip

value: `string`

The buyer's postal or ZIP code.

{% include /apps/checkout/privacy-icon.md %} Requires level 2 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).

### countryCode

value: `CountryCode`

  - CountryCode: 'AC' | 'AD' | 'AE' | 'AF' | 'AG' | 'AI' | 'AL' | 'AM' | 'AN' | 'AO' | 'AR' | 'AT' | 'AU' | 'AW' | 'AX' | 'AZ' | 'BA' | 'BB' | 'BD' | 'BE' | 'BF' | 'BG' | 'BH' | 'BI' | 'BJ' | 'BL' | 'BM' | 'BN' | 'BO' | 'BQ' | 'BR' | 'BS' | 'BT' | 'BV' | 'BW' | 'BY' | 'BZ' | 'CA' | 'CC' | 'CD' | 'CF' | 'CG' | 'CH' | 'CI' | 'CK' | 'CL' | 'CM' | 'CN' | 'CO' | 'CR' | 'CU' | 'CV' | 'CW' | 'CX' | 'CY' | 'CZ' | 'DE' | 'DJ' | 'DK' | 'DM' | 'DO' | 'DZ' | 'EC' | 'EE' | 'EG' | 'EH' | 'ER' | 'ES' | 'ET' | 'FI' | 'FJ' | 'FK' | 'FO' | 'FR' | 'GA' | 'GB' | 'GD' | 'GE' | 'GF' | 'GG' | 'GH' | 'GI' | 'GL' | 'GM' | 'GN' | 'GP' | 'GQ' | 'GR' | 'GS' | 'GT' | 'GW' | 'GY' | 'HK' | 'HM' | 'HN' | 'HR' | 'HT' | 'HU' | 'ID' | 'IE' | 'IL' | 'IM' | 'IN' | 'IO' | 'IQ' | 'IR' | 'IS' | 'IT' | 'JE' | 'JM' | 'JO' | 'JP' | 'KE' | 'KG' | 'KH' | 'KI' | 'KM' | 'KN' | 'KP' | 'KR' | 'KW' | 'KY' | 'KZ' | 'LA' | 'LB' | 'LC' | 'LI' | 'LK' | 'LR' | 'LS' | 'LT' | 'LU' | 'LV' | 'LY' | 'MA' | 'MC' | 'MD' | 'ME' | 'MF' | 'MG' | 'MK' | 'ML' | 'MM' | 'MN' | 'MO' | 'MQ' | 'MR' | 'MS' | 'MT' | 'MU' | 'MV' | 'MW' | 'MX' | 'MY' | 'MZ' | 'NA' | 'NC' | 'NE' | 'NF' | 'NG' | 'NI' | 'NL' | 'NO' | 'NP' | 'NR' | 'NU' | 'NZ' | 'OM' | 'PA' | 'PE' | 'PF' | 'PG' | 'PH' | 'PK' | 'PL' | 'PM' | 'PN' | 'PS' | 'PT' | 'PY' | 'QA' | 'RE' | 'RO' | 'RS' | 'RU' | 'RW' | 'SA' | 'SB' | 'SC' | 'SD' | 'SE' | 'SG' | 'SH' | 'SI' | 'SJ' | 'SK' | 'SL' | 'SM' | 'SN' | 'SO' | 'SR' | 'SS' | 'ST' | 'SV' | 'SX' | 'SY' | 'SZ' | 'TA' | 'TC' | 'TD' | 'TF' | 'TG' | 'TH' | 'TJ' | 'TK' | 'TL' | 'TM' | 'TN' | 'TO' | 'TR' | 'TT' | 'TV' | 'TW' | 'TZ' | 'UA' | 'UG' | 'UM' | 'US' | 'UY' | 'UZ' | 'VA' | 'VC' | 'VE' | 'VG' | 'VN' | 'VU' | 'WF' | 'WS' | 'XK' | 'YE' | 'YT' | 'ZA' | 'ZM' | 'ZW' | 'ZZ'
The ISO 3166 Alpha-2 format for the buyer's country. Refer to https://www.iso.org/iso-3166-country-codes.html.

{% include /apps/checkout/privacy-icon.md %} Requires level 2 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).

### provinceCode

value: `string`

The buyer's province code, such as state, province, prefecture, or region.

{% include /apps/checkout/privacy-icon.md %} Requires level 2 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).

### phone

value: `string`

The buyer's phone number.

{% include /apps/checkout/privacy-icon.md %} Requires level 2 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).

### ShippingAddressChangeResultSuccess

The returned result of a successful update to the shipping address.

### type

value: `"success"`

The type of the `ShippingAddressChangeResultSuccess` API.

### errors

value: `null`


### ShippingAddressChangeResultError

The returned result of an update to the shipping address
with a messages detailing the type of errors that occurred.

### type

value: `"error"`

The type of the `ShippingAddressChangeResultError` API.

### errors

value: `ShippingAddressChangeFieldError[]`

  - ShippingAddressChange: ShippingAddressUpdateChange
  - ShippingAddressChangeFieldError: export interface ShippingAddressChangeFieldError {
  /**
   * field key from MailingAddress where the error occurred
   */
  field?: keyof MailingAddress;

  /**
   * 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;
}
The errors corresponding to particular fields from a given change

### ShippingAddressChangeFieldError

An error corresponding to a particular field from a given change

### field

value: `keyof MailingAddress`

  - MailingAddress: export interface MailingAddress {
  /**
   * The buyer's full name.
   *
   * {% include /apps/checkout/privacy-icon.md %} Requires level 2 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).
   *
   * @example 'John Doe'
   */
  name?: string;

  /**
   * The buyer's first name.
   *
   * {% include /apps/checkout/privacy-icon.md %} Requires level 2 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).
   *
   * @example 'John'
   */
  firstName?: string;

  /**
   * The buyer's last name.
   *
   * {% include /apps/checkout/privacy-icon.md %} Requires level 2 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).
   *
   * @example 'Doe'
   */
  lastName?: string;

  /**
   * The buyer's company name.
   *
   * {% include /apps/checkout/privacy-icon.md %} Requires level 1 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).
   *
   * @example 'Shopify'
   */
  company?: string;

  /**
   * The first line of the buyer's address, including street name and number.
   *
   * {% include /apps/checkout/privacy-icon.md %} Requires level 2 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).
   *
   * @example '151 O'Connor Street'
   */
  address1?: string;

  /**
   * The second line of the buyer's address, like apartment number, suite, etc.
   *
   * {% include /apps/checkout/privacy-icon.md %} Requires level 2 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).
   *
   * @example 'Ground floor'
   */
  address2?: string;

  /**
   * The buyer's city.
   *
   * {% include /apps/checkout/privacy-icon.md %} Requires level 2 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).
   *
   * @example 'Ottawa'
   */
  city?: string;

  /**
   * The buyer's postal or ZIP code.
   *
   * {% include /apps/checkout/privacy-icon.md %} Requires level 2 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).
   *
   * @example 'K2P 2L8'
   */
  zip?: string;

  /**
   * The ISO 3166 Alpha-2 format for the buyer's country. Refer to https://www.iso.org/iso-3166-country-codes.html.
   *
   * {% include /apps/checkout/privacy-icon.md %} Requires level 2 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).
   *
   * @example 'CA' for Canada.
   */
  countryCode?: CountryCode;

  /**
   * The buyer's province code, such as state, province, prefecture, or region.
   *
   * {% include /apps/checkout/privacy-icon.md %} Requires level 2 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).
   *
   * @example 'ON' for Ontario.
   */
  provinceCode?: string;

  /**
   * The buyer's phone number.
   *
   * {% include /apps/checkout/privacy-icon.md %} Requires level 2 access to [protected customer data](https://shopify.dev/docs/apps/store/data-protection/protected-customer-data).
   *
   * @example '+1 613 111 2222'.
   */
  phone?: string;
}
field key from MailingAddress where the error occurred

### message

value: `string`

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.

## Related

- [StandardApi](https://shopify.dev/docs/api/checkout-ui-extensions/apis/standardapi)
- [CheckoutApi](https://shopify.dev/docs/api/checkout-ui-extensions/apis/checkoutapi)
- [OrderStatusApi](https://shopify.dev/docs/api/checkout-ui-extensions/apis/orderstatusapi)
- [CartLineItemApi](https://shopify.dev/docs/api/checkout-ui-extensions/apis/cartlineitemapi)
- [PickupPointListApi](https://shopify.dev/docs/api/checkout-ui-extensions/apis/pickuppointlistapi)
- [PickupLocationListApi](https://shopify.dev/docs/api/checkout-ui-extensions/apis/pickuplocationlistapi)
- [ShippingOptionItemApi](https://shopify.dev/docs/api/checkout-ui-extensions/apis/shippingoptionitemapi)
- [ExtensionTargets](https://shopify.dev/docs/api/checkout-ui-extensions/apis/extensiontargets)