The action to reserve inventory for ProposalLineItem objects. It does not
overbook inventory unless allowOverbook is set to true.
This action is only applicable for programmatic proposals not using sales management.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06 UTC."],[[["\u003cp\u003eThe \u003ccode\u003eReserveProposalLineItems\u003c/code\u003e action reserves inventory for proposal line items within programmatic proposals.\u003c/p\u003e\n"],["\u003cp\u003eThis action, part of the \u003ccode\u003eProposalLineItemService\u003c/code\u003e, prevents overbooking unless \u003ccode\u003eallowOverbook\u003c/code\u003e is set to \u003ccode\u003etrue\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eIt's specifically designed for programmatic proposals that are not utilizing sales management.\u003c/p\u003e\n"]]],["The `ProposalLineItemService` allows actions on `ProposalLineItem` objects, including `ArchiveProposalLineItems`, `PauseProposalLineItems`, `ReleaseProposalLineItems`, `ReserveProposalLineItems`, `ResumeProposalLineItems`, and `UnarchiveProposalLineItems`. `ReserveProposalLineItems` specifically reserves inventory and prevents overbooking by default, unless `allowOverbook` is set to `true`. This action applies only to programmatic proposals not managed by sales. The namespace for these operations is `https://www.google.com/apis/ads/publisher/v202411`.\n"],null,["# type ReserveProposalLineItems (v202411)\n\n**Service** \n**ProposalLineItemService** **Inheritance** \n[ProposalLineItemAction](/ad-manager/api/reference/v202411/ProposalLineItemService.ProposalLineItemAction) \n▼\n[ArchiveProposalLineItems](/ad-manager/api/reference/v202411/ProposalLineItemService.ArchiveProposalLineItems) [PauseProposalLineItems](/ad-manager/api/reference/v202411/ProposalLineItemService.PauseProposalLineItems) [ReleaseProposalLineItems](/ad-manager/api/reference/v202411/ProposalLineItemService.ReleaseProposalLineItems) **ReserveProposalLineItems** [ResumeProposalLineItems](/ad-manager/api/reference/v202411/ProposalLineItemService.ResumeProposalLineItems) [UnarchiveProposalLineItems](/ad-manager/api/reference/v202411/ProposalLineItemService.UnarchiveProposalLineItems)\n\nThe action to reserve inventory for [ProposalLineItem](/ad-manager/api/reference/v202411/ProposalLineItemService.ProposalLineItem) objects. It does not\noverbook inventory unless [allowOverbook](#allowOverbook) is set to `true`.\nThis action is only applicable for programmatic proposals not using sales management.\n\n*** ** * ** ***\n\nNamespace\n:\n `https://www.google.com/apis/ads/publisher/v202411`\n\n| Field ----- ||\n|---------------------|-------------------------|\n| **`ProposalLineItemAction` (inherited)** ||\n| **`ReserveProposalLineItems`** ||\n| ### `allowOverbook` | ` `xsd:`boolean` \u003cbr /\u003e |"]]