[null,null,["อัปเดตล่าสุด 2025-08-21 UTC"],[],[],null,["# Method: advertisers.lineItems.generateDefault\n\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- [Authorization scopes](#body.aspect)\n- [Try it!](#try-it)\n\nCreates a new line item with settings (including targeting) inherited from the insertion order and an `ENTITY_STATUS_DRAFT` [entityStatus](/display-video/api/reference/rest/v4/advertisers.lineItems#LineItem.FIELDS.entity_status). Returns the newly created line item if successful. There are default values based on the three fields:\n\n- The insertion order's [insertionOrderType](/display-video/api/reference/rest/v4/advertisers.insertionOrders#InsertionOrder.FIELDS.insertion_order_type)\n- The insertion order's [automationType](/display-video/api/reference/rest/v4/advertisers.insertionOrders#InsertionOrderBudget.FIELDS.automation_type)\n- The given [lineItemType](/display-video/api/reference/rest/v4/advertisers.lineItems/generateDefault#body.request_body.FIELDS.line_item_type)\n\nYouTube \\& Partners line items cannot be created or updated using the API.\n\n### HTTP request\n\n`POST https://displayvideo.googleapis.com/v4/advertisers/{advertiserId}/lineItems:generateDefault`\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\n### Request body\n\nThe request body contains data with the following structure:\n\n| JSON representation |\n|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| ``` { \"insertionOrderId\": string, \"displayName\": string, \"lineItemType\": enum (/display-video/api/reference/rest/v4/advertisers.lineItems#LineItemType), \"mobileApp\": { object (/display-video/api/reference/rest/v4/advertisers.lineItems#MobileApp) }, \"containsEuPoliticalAds\": enum (/display-video/api/reference/rest/v4/EuPoliticalAdvertisingStatus) } ``` |\n\n| Fields ||\n|--------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `insertionOrderId` | `string (`[int64](https://developers.google.com/discovery/v1/type-format)` format)` Required. The unique ID of the insertion order that the line item belongs to. |\n| `displayName` | `string` Required. The display name of the line item. Must be UTF-8 encoded with a maximum size of 240 bytes. |\n| `lineItemType` | `enum (`[LineItemType](/display-video/api/reference/rest/v4/advertisers.lineItems#LineItemType)`)` Required. The type of the line item. |\n| `mobileApp` | `object (`[MobileApp](/display-video/api/reference/rest/v4/advertisers.lineItems#MobileApp)`)` The mobile app promoted by the line item. This is applicable only when [lineItemType](/display-video/api/reference/rest/v4/advertisers.lineItems/generateDefault#body.request_body.FIELDS.line_item_type) is either `LINE_ITEM_TYPE_DISPLAY_MOBILE_APP_INSTALL` or `LINE_ITEM_TYPE_VIDEO_MOBILE_APP_INSTALL`. |\n| `containsEuPoliticalAds` | `enum (`[EuPoliticalAdvertisingStatus](/display-video/api/reference/rest/v4/EuPoliticalAdvertisingStatus)`)` Whether this line item will serve European Union political ads. If [containsEuPoliticalAds](/display-video/api/reference/rest/v4/advertisers#Advertiser.FIELDS.contains_eu_political_ads) has been set to `DOES_NOT_CONTAIN_EU_POLITICAL_ADVERTISING` in the parent advertiser, then this field will be assigned `DOES_NOT_CONTAIN_EU_POLITICAL_ADVERTISING` if not otherwise specified. This field can then be updated using the UI, API, or Structured Data Files. \u003cbr /\u003e | **Warning** : Starting **September 8, 2025** , this field must be set. If not, either the value `DOES_NOT_CONTAIN_EU_POLITICAL_ADVERTISING` will be assigned to the line item if the parent advertiser has declared that it does not serve EU political ads, or **the request will fail**. \u003cbr /\u003e |\n\n### Response body\n\nIf successful, the response body contains an instance of [LineItem](/display-video/api/reference/rest/v4/advertisers.lineItems#LineItem).\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](/identity/protocols/OAuth2)."]]
