Every new line item needs to declare whether or not they will serve Eurpoean Union (EU) political ads. Display & Video 360 API and SDF uploads that don't provide declarations will fail. See our deprecations page for more details.
Required. The ID of the custom bidding algorithm that owns the script.
Query parameters
Parameters
Union parameter owner. Required. Identifies the DV360 entity that owns the parent custom bidding algorithm. It can be either a partner or an advertiser. owner can be only one of the following:
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-09-09 UTC."],[],["This describes creating a new custom bidding script via a POST HTTP request to a specific URL. The request requires `customBiddingAlgorithmId` in the path and an `owner` (either `partnerId` or `advertiserId`) in the query. The request body needs a `CustomBiddingScript` instance. The successful response will contain the newly created `CustomBiddingScript`. Note, updates to custom bidding algorithms assigned to line items will error after April 1, 2025. This process requires the `display-video` OAuth scope.\n"],null,[]]