The aggregated historical metrics for keyword plan keywords.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v25/common/keyword_plan_common.proto)

| Fields ||
|---|---|
| ## `device_searches[]` | `https://developers.google.com/google-ads/api/reference/rpc/v25/KeywordPlanDeviceSearches` The aggregate searches for all the keywords segmented by device for the specified time. Supports the following device types: MOBILE, TABLET, DESKTOP. This is only set when KeywordPlanAggregateMetricTypeEnum.DEVICE is set in the KeywordPlanAggregateMetrics field in the request. |