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# SKExternalPurchaseCustomLinkRegions

An array of country code strings that indicate the regions where your app supports custom links for the communication and promotion of offers.

## Discussion

Use this information property list key if your app has the [`com.apple.developer.storekit.external-purchase-link`](/documentation/BundleResources/Entitlements/com.apple.developer.storekit.external-purchase-link) entitlement and uses the <doc://com.apple.documentation/documentation/StoreKit/ExternalPurchaseCustomLink> API.

Include an entry for each country code where your app supports custom links for the communication and promotion of offers.

Valid country codes include the European Union: Austria (`at`), Belgium (`be`), Bulgaria (`bg`), Croatia (`hr`), Cyprus (`cy`), Czechia (`cz`), Denmark (`dk`), Estonia (`ee`), Finland (`fi`), France (`fr`), Germany (`de`), Greece (`gr`), Hungary (`hu`), Ireland (`ie`), Italy (`it`), Latvia (`lv`), Lithuania (`lt`), Luxembourg (`lu`), Malta (`mt`), Netherlands (`nl`), Poland (`pl`), Portugal (`pt`), Romania (`ro`), Slovakia (`sk`), Slovenia (`si`), Spain (`es`), Sweden (`se`).

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