# MulticastRequest ## Properties Name | Type | Description | Notes ------------ | ------------- | ------------- | ------------- **messages** | [**Vec**](Message.md) | Messages to send | **to** | **Vec** | Array of user IDs. Use userId values which are returned in webhook event objects. Do not use LINE IDs found on LINE. | **notification_disabled** | Option<**bool**> | `true`: The user doesn’t receive a push notification when a message is sent. `false`: The user receives a push notification when the message is sent (unless they have disabled push notifications in LINE and/or their device). The default value is false. | [optional][default to false] **custom_aggregation_units** | Option<**Vec**> | Name of aggregation unit. Case-sensitive. | [optional] [[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)