---
title: useExtensionCapabilities
description: Returns a list of an extension's granted capabilities.
api_version: 2023-07
api_name: checkout-ui-extensions
source_url:
  html: >-
    https://shopify.dev/docs/api/checkout-ui-extensions/2023-07/react-hooks/metadata/useextensioncapabilities
  md: >-
    https://shopify.dev/docs/api/checkout-ui-extensions/2023-07/react-hooks/metadata/useextensioncapabilities.md
---

# use​Extension​Capabilities

Returns a list of an extension's granted capabilities.

## use​Extension​Capabilities()

### Returns

* **Capability\[]**

### Capability

The capabilities an extension has access to. \* \[\`api\_access\`]\(/docs/api/checkout-ui-extensions/configuration#api-access): the extension can access the Storefront API. \* \[\`network\_access\`]\(/docs/api/checkout-ui-extensions/configuration#network-access): the extension can make external network calls. \* \[\`block\_progress\`]\(/docs/api/checkout-ui-extensions/configuration#block-progress): the extension can block a buyer's progress and the merchant has allowed this blocking behavior.

```ts
'api_access' | 'network_access' | 'block_progress'
```

## Related

[APIs - StandardApi](https://shopify.dev/docs/api/checkout-ui-extensions/apis/standardapi)

[APIs - CheckoutApi](https://shopify.dev/docs/api/checkout-ui-extensions/apis/checkoutapi)

[APIs - OrderStatusApi](https://shopify.dev/docs/api/checkout-ui-extensions/apis/orderstatusapi)

[APIs - CartLineItemApi](https://shopify.dev/docs/api/checkout-ui-extensions/apis/cartlineitemapi)

[APIs - PickupPointListApi](https://shopify.dev/docs/api/checkout-ui-extensions/apis/pickuppointlistapi)

[APIs - PickupLocationListApi](https://shopify.dev/docs/api/checkout-ui-extensions/apis/pickuplocationlistapi)

[APIs - ShippingOptionItemApi](https://shopify.dev/docs/api/checkout-ui-extensions/apis/shippingoptionitemapi)

[APIs - ExtensionTargets](https://shopify.dev/docs/api/checkout-ui-extensions/apis/extensiontargets)