> [!CAUTION]
> **Caution:** This documentation is for Google Ads API **v24** . The latest active version is [**v26**](https://developers.google.com/google-ads/api/reference/rpc/latest/BusinessMessageAsset).

A business message asset.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v24/common/asset_types.proto)

| Fields ||
|---|---|
| ## `call_to_action` | `BusinessMessageCallToActionInfo` A call to action for the business message asset. |
| ## `message_provider` | `BusinessMessageProvider` Required. Message provider of the business message asset. |
| ## `message_provider_data` Union field. Message provider information to use for messaging. `message_provider_data` can be only one of the following: ||
| ### `facebook_messenger_info` | `FacebookMessengerBusinessMessageInfo` Facebook Messenger. |
| ### `whatsapp_info` | `WhatsappBusinessMessageInfo` Whatsapp. |
| ### `zalo_info` | `ZaloBusinessMessageInfo` Zalo. |
| ## `starter_message` | `string` Required. A welcome message to prompt the user to initiate a conversation. |