AI-generated Key Takeaways
- 
          LineItemDealInfoDto is a data transfer object for the exchange deal information of a line item. 
- 
          It contains the externalDealIdfield, a read-only long integer assigned by Google, which represents the external deal ID shared between seller and buyer.
- 
          The externalDealIdis only present if the deal has been finalized.
Data transfer object for the exchange deal info of a line item.
- Namespace
- 
               https://www.google.com/apis/ads/publisher/v202505
| Field | |
|---|---|
| 
                            | 
                            The external deal ID shared between seller and buyer. This field is only present if the deal has been finalized. This attribute is read-only and is assigned by Google. |