AI-generated Key Takeaways
- 
          ReserveProposals is a ProposalAction used to reserve inventory for Proposal objects. 
- 
          This action does not allow overbooking unless the allowOverbook field is set to true. 
- 
          The allowOverbook field is a boolean type. 
The action to reserve inventory for Proposal objects. It does not allow overbooking
            unless allowOverbook is set to true.
- Namespace
- 
               https://www.google.com/apis/ads/publisher/v202505
| Field | |
|---|---|
| ProposalAction(inherited) | |
| ReserveProposals | |
| 
                            | 
                            |