# type ReserveProposalLineItems (v202505)

**Service** **ProposalLineItemService** **Inheritance** [ProposalLineItemAction](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.ProposalLineItemAction) ▼ [ArchiveProposalLineItems](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.ArchiveProposalLineItems) [PauseProposalLineItems](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.PauseProposalLineItems) [ReleaseProposalLineItems](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.ReleaseProposalLineItems) **ReserveProposalLineItems** [ResumeProposalLineItems](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.ResumeProposalLineItems) [UnarchiveProposalLineItems](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.UnarchiveProposalLineItems)

The action to reserve inventory for [ProposalLineItem](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.ProposalLineItem) objects. It does not
overbook inventory unless [allowOverbook](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.ReserveProposalLineItems#allowOverbook) is set to `true`.
This action is only applicable for programmatic proposals not using sales management.

*** ** * ** ***

Namespace
:
    `https://www.google.com/apis/ads/publisher/v202505`

| ## Field ||
|---|---|
| **`ProposalLineItemAction` (inherited)** ||
| **`ReserveProposalLineItems`** ||
| ### `allowOverbook` | ` xsd:boolean` <br /> |