> [!CAUTION]
> **Caution:** This documentation is for Google Ads API **v23** . The latest active version is [**v26**](https://developers.google.com/google-ads/api/reference/rpc/latest/CustomerSkAdNetworkConversionValueSchemaService/MutateCustomerSkAdNetworkConversionValueSchema).

<button default="" value="grpc">gRPC</button> <button value="rest">REST</button>

| ### MutateCustomerSkAdNetworkConversionValueSchema |
|---|
| `` rpc MutateCustomerSkAdNetworkConversionValueSchema(`MutateCustomerSkAdNetworkConversionValueSchemaRequest`) returns (`MutateCustomerSkAdNetworkConversionValueSchemaResponse`) `` Creates or updates the CustomerSkAdNetworkConversionValueSchema. List of thrown errors: [AuthenticationError](https://developers.google.com/google-ads/api/reference/rpc/v23/AuthenticationErrorEnum.AuthenticationError.md.txt) [AuthorizationError](https://developers.google.com/google-ads/api/reference/rpc/v23/AuthorizationErrorEnum.AuthorizationError.md.txt) [FieldError](https://developers.google.com/google-ads/api/reference/rpc/v23/FieldErrorEnum.FieldError.md.txt) [InternalError](https://developers.google.com/google-ads/api/reference/rpc/v23/InternalErrorEnum.InternalError.md.txt) [MutateError](https://developers.google.com/google-ads/api/reference/rpc/v23/MutateErrorEnum.MutateError.md.txt) [Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v23/services/customer_sk_ad_network_conversion_value_schema_service.proto) |

Authorization scopes

:   Requires the following OAuth scope:

    - `https://www.googleapis.com/auth/adwords`

    For more information, see the [OAuth 2.0 Overview](https://developers.google.com/identity/protocols/OAuth2).