> [!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/AdGroupCriterionCustomizer).

A customizer value for the associated CustomizerAttribute at the AdGroupCriterion level.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v23/resources/ad_group_criterion_customizer.proto)

| Fields ||
|---|---|
| ## `ad_group_criterion` | `string` Immutable. The ad group criterion to which the customizer attribute is linked. It must be a keyword criterion. |
| ## `customizer_attribute` | `string` Required. Immutable. The customizer attribute which is linked to the ad group criterion. |
| ## `resource_name` | `string` Immutable. The resource name of the ad group criterion customizer. Ad group criterion customizer resource names have the form: `customers/{customer_id}/adGroupCriterionCustomizers/{ad_group_id}~{criterion_id}~{customizer_attribute_id}` |
| ## `status` | `CustomizerValueStatus` Output only. The status of the ad group criterion customizer. |
| ## `value` | `CustomizerValue` Required. The value to associate with the customizer attribute at this level. The value must be of the type specified for the CustomizerAttribute. |