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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06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."],[],["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,[]]
