[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["缺少我需要的資訊","missingTheInformationINeed","thumb-down"],["過於複雜/步驟過多","tooComplicatedTooManySteps","thumb-down"],["過時","outOfDate","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["示例/程式碼問題","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],["上次更新時間：2025-09-05 (世界標準時間)。"],[],[],null,["# Business message assets\n\n[Business message assets](//support.google.com/ads-help/answer/14077060)\nappear on a search results page and function as Click-to-Message (CTM)\nassets. When a user clicks a CTM asset, that initiates a messaging connection\nwith the advertiser on WhatsApp.\n\nThis feature is restricted using an allowlist in the API. To gain access,\ncontact your Account Manager.\n\nCreate a Business Message Asset\n-------------------------------\n\nYou can\n[create](/google-ads/api/docs/assets/working-with-assets#create_an_asset) a business message\nasset as you would any other asset using [`AssetService`](/google-ads/api/reference/rpc/v21/AssetService)\n\nThe elements required for creation are:\n\n- An active WhatsApp [`account`](/google-ads/api/reference/rpc/v21/WhatsappBusinessMessageInfo) that is identified by the country code and telephone number registered with WhatsApp.\n- A [`business message provider`](/google-ads/api/reference/rpc/v21/BusinessMessageProviderEnum.BusinessMessageProvider) which is always WhatsApp.\n- A welcome [`message`](/google-ads/api/reference/rpc/v21/BusinessMessageAsset) to prompt the user to initiate a conversation.\n- A compelling [`call to action`](/google-ads/api/reference/rpc/v21/BusinessMessageCallToActionInfo) that empowers people to engage with your business or service\n\nThe response will return the [`asset id`](/google-ads/api/reference/rpc/v21/Asset) which you can use\nfor linking.\n\nLink a business message asset\n-----------------------------\n\nYou can link business message assets at the account, campaign, or ad group\nlevel. Only one active business message asset with\n[`setLinkStatus`](/google-ads/api/reference/rpc/v21/AssetLinkStatusEnum.AssetLinkStatus) set to\n`ENABLED` is allowed.\n\n### Responsive Search Ads\n\nIn a\n[Responsive Search Ad](//support.google.com/google-ads/answer/7684791), when\nmultiple message assets are eligible, the ad uses the asset at the lowest\nlevel in the hierarchy of Customer -\\\u003e Campaign -\\\u003e AdGroup."]]
