**Service** **ReportService** **Dependencies** [ReportQuery](https://developers.google.com/ad-manager/api/reference/v202605/ReportService.ReportQuery) ▼ **ReportQuery.AdUnitView**

A view for an ad unit report.

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Namespace
:
    `https://www.google.com/apis/ads/publisher/v202605`

| Enumeration | Description |
|---|---|
| `TOP_LEVEL` | Only the top level ad units. Metrics include events for their descendants that are not filtered out. |
| `FLAT` | All the ad units. Metrics do not include events for the descendants. |
| `HIERARCHICAL` | Use the ad unit hierarchy. There will be as many ad unit columns as levels of ad units in the generated report: - The column [Dimension.AD_UNIT_NAME](https://developers.google.com/ad-manager/api/reference/v202605/ReportService.Dimension#AD_UNIT_NAME) is replaced with columns "Ad unit 1", "Ad unit 2", ... "Ad unit n". If level is not applicable to a row, "N/A" is returned as the value. - The column [Dimension.AD_UNIT_ID](https://developers.google.com/ad-manager/api/reference/v202605/ReportService.Dimension#AD_UNIT_ID) is replaced with columns "Ad unit ID 1", "Ad unit ID 2", ... "Ad unit ID n". If level is not applicable to a row, "N/A" is returned as the value. Metrics do not include events for the descendants. |