StartingSeptember 8, 2025, every new line item will need 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 ourdeprecations pagefor more details on how to update your integration to make this declaration.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-09-18 UTC."],[[["\u003cp\u003eDisplay & Video 360 API v2 is sunset and this documentation details how to duplicate a line item using the API.\u003c/p\u003e\n"],["\u003cp\u003eThis method duplicates an existing line item within a specified advertiser, returning the new line item's ID.\u003c/p\u003e\n"],["\u003cp\u003eYouTube & Partners line items are excluded and cannot be duplicated using this API.\u003c/p\u003e\n"],["\u003cp\u003eDue to potential latency, increasing your default timeout is recommended to avoid errors.\u003c/p\u003e\n"],["\u003cp\u003eProper authorization with the \u003ccode\u003ehttps://www.googleapis.com/auth/display-video\u003c/code\u003e scope is required.\u003c/p\u003e\n"]]],["The Display & Video 360 API v2 has ended. To duplicate a line item, use a POST request to the specified URL, providing the `advertiserId` and `lineItemId` as path parameters. The request body requires a `targetDisplayName` for the new line item. A successful response returns a `duplicateLineItemId`. Note that YouTube & Partners line items can't be managed via the API, and high latency is expected. An increased default timeout is advised. The necessary authorization scope is `https://www.googleapis.com/auth/display-video`.\n"],null,["# Method: advertisers.lineItems.duplicate\n\n| Display \\& Video 360 API v2 has sunset.\n- [HTTP request](#body.HTTP_TEMPLATE)\n- [Path parameters](#body.PATH_PARAMETERS)\n- [Request body](#body.request_body)\n - [JSON representation](#body.request_body.SCHEMA_REPRESENTATION)\n- [Response body](#body.response_body)\n - [JSON representation](#body.DuplicateLineItemResponse.SCHEMA_REPRESENTATION)\n- [Authorization scopes](#body.aspect)\n- [Try it!](#try-it)\n\nDuplicates a line item. Returns the ID of the created line item if successful.\n\nYouTube \\& Partners line items cannot be created or updated using the API.\n\n**This method regularly experiences high latency.** We recommend [increasing your default timeout](/display-video/api/guides/best-practices/timeouts#client_library_timeout) to avoid errors.\n\n### HTTP request\n\n`POST https://displayvideo.googleapis.com/v2/advertisers/{advertiserId}/lineItems/{lineItemId}:duplicate`\n\nThe URL uses [gRPC Transcoding](https://google.aip.dev/127) syntax.\n\n### Path parameters\n\n| Parameters ||\n|----------------|---------------------------------------------------------------------------------------------------------------------------------------------------|\n| `advertiserId` | `string (`[int64](https://developers.google.com/discovery/v1/type-format)` format)` Required. The ID of the advertiser this line item belongs to. |\n| `lineItemId` | `string (`[int64](https://developers.google.com/discovery/v1/type-format)` format)` Required. The ID of the line item to duplicate. |\n\n### Request body\n\nThe request body contains data with the following structure:\n\n| JSON representation |\n|-----------------------------------------|\n| ``` { \"targetDisplayName\": string } ``` |\n\n| Fields ||\n|---------------------|---------------------------------------------------------------------------------------------------------|\n| `targetDisplayName` | `string` The display name of the new line item. Must be UTF-8 encoded with a maximum size of 240 bytes. |\n\n### Response body\n\nIf successful, the response body contains data with the following structure:\n\n| JSON representation |\n|-------------------------------------------|\n| ``` { \"duplicateLineItemId\": string } ``` |\n\n| Fields ||\n|-----------------------|----------------------------------------------------------------------------------------------------------------------|\n| `duplicateLineItemId` | `string (`[int64](https://developers.google.com/discovery/v1/type-format)` format)` The ID of the created line item. |\n\n### Authorization scopes\n\nRequires the following OAuth scope:\n\n- `https://www.googleapis.com/auth/display-video`\n\nFor more information, see the [OAuth 2.0 Overview](https://developers.google.com/identity/protocols/OAuth2)."]]
