AI-generated Key Takeaways
- 
          DeliveryData provides metrics for ad delivery over the last 7 days. 
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          The metric tracked is determined by the LineItem's costType. 
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          The unitsfield contains an array of long values representing daily clicks or impressions.
Holds the number of clicks or impressions, determined by LineItem.costType, delivered for a single line item for the last 7 days
- Namespace
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               https://www.google.com/apis/ads/publisher/v202505
| Field | |
|---|---|
| 
                            | 
                            Clicks or impressions delivered for the last 7 days. |