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 script to fetch.
Query parameters
Parameters
Union parameter accessor. Required. Identifies the DV360 entity that owns the parent custom bidding algorithm. It can be either a partner or an advertiser. accessor 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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-09-09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 API retrieves a custom bidding script using a GET request. The request URL requires two path parameters: `customBiddingAlgorithmId` and `customBiddingScriptId`, both as 64-bit integers. It also mandates a query parameter `accessor`, which can be either `partnerId` or `advertiserId`, both 64-bit integers, to identify the owning entity. The request body must be empty. A successful response returns a `CustomBiddingScript` instance. This operation requires OAuth scope `https://www.googleapis.com/auth/display-video`.\n"],null,[]]
