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# Resource: Booking Policy Service Plugin

# Type: Extension Config

# Link: https://dev.wix.com/docs/api-reference/business-solutions/bookings/policies/booking-policy-service-plugin/extension-config.md

## Description: The JSON object below defines the configuration for this service plugin extension. How you supply values depends on the framework you’re using:

+ **Self-hosted apps:** After adding a service plugin extension to your app in the app dashboard, provide configuration details in your extension's page. Learn more about how to add and configure a self-hosted service plugin extension with [REST](https://dev.wix.com/docs/build-apps/develop-your-app/frameworks/self-hosting/supported-extensions/backend-extensions/add-self-hosted-service-plugin-extensions-with-rest.md) or the [SDK](https://dev.wix.com/docs/build-apps/develop-your-app/frameworks/self-hosting/supported-extensions/backend-extensions/add-self-hosted-service-plugin-extensions-with-the-sdk.md).
+ **CLI apps:** When you [add a service plugin extension to your app with the Wix CLI](https://dev.wix.com/docs/build-apps/develop-your-app/frameworks/wix-cli/supported-extensions/backend-extensions/service-plugins/add-service-plugin-extensions-with-the-cli.md), the required configuration details are populated automatically. You can then customize them in your extension's [`plugin.json`](https://dev.wix.com/docs/build-apps/develop-your-app/frameworks/wix-cli/supported-extensions/backend-extensions/service-plugins/service-plugin-extension-files-and-code.md) file.


## Schema:

```json
 Type: Extension Config | type: BookingPolicyProviderConfig
 Description: The JSON object below defines the configuration for this service plugin extension. How you supply values depends on the framework you’re using:

+ **Self-hosted apps:** After adding a service plugin extension to your app in the app dashboard, provide configuration details in your extension's page. Learn more about how to add and configure a self-hosted service plugin extension with [REST](https://dev.wix.com/docs/build-apps/develop-your-app/frameworks/self-hosting/supported-extensions/backend-extensions/add-self-hosted-service-plugin-extensions-with-rest.md) or the [SDK](https://dev.wix.com/docs/build-apps/develop-your-app/frameworks/self-hosting/supported-extensions/backend-extensions/add-self-hosted-service-plugin-extensions-with-the-sdk.md).
+ **CLI apps:** When you [add a service plugin extension to your app with the Wix CLI](https://dev.wix.com/docs/build-apps/develop-your-app/frameworks/wix-cli/supported-extensions/backend-extensions/service-plugins/add-service-plugin-extensions-with-the-cli.md), the required configuration details are populated automatically. You can then customize them in your extension's [`plugin.json`](https://dev.wix.com/docs/build-apps/develop-your-app/frameworks/wix-cli/supported-extensions/backend-extensions/service-plugins/service-plugin-extension-files-and-code.md) file.

       - name: deploymentUri  | type: SpiBaseUri | description: Base URI where your service plugin endpoints are deployed. For example, `https://my-app.com`.
           - name: baseUri  | type: string | description: Base URI where the methods are called. Wix appends the path to the `baseUri`. For example, to call the Get Shipping Rates method at `https://my-shipping-provider.com/v1/getRates`, the base URI you provide here is `https://my-shipping-provider.com/`.
           - name: alternativeUris  | type: Array<AlternativeUri> | description: Alternate, custom URIs to replace the default URIs for specific service plugin methods.
               - name: methodName  | type: string | description: Name of the method to create a custom URI for.  For `methodName`, use the name of the method in PascalCase. For example, for Get Shipping Rates use `GetShippingRates`.
               - name: absoluteUri  | type: string | description: Custom URI that Wix uses to call your server for this method. The path-suffix documented in the method will not be appended to this URI. Must be a secured endpoint beginning with `https://`. For example, `https://www.my-shipping-provider.com/my-shipping-rates`.
       - name: providerName  | type: string | description: Display name for the provider.
           - name: value  | type: string | description: 

```