Daily update is a feature that allows you to send updates to users’ Assistant devices at a scheduled time each day. It’s available on Android and iOS phones (users must have the Google Assistant app installed) and voice-activated speakers or smart displays.
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When a user invokes an intent you’ve configured as a daily update, they receive a notification on their phone that gives them the option to subscribe to the update. You can offer this prompt mid-conversation or as a suggestion chip when the user exits your Action. When offering the subscription, make sure your content is relevant and provides value to your user every day. Avoid repeating the offer in multiple contexts or overwhelming them with notifications. This will likely lead to unsubscribes after a few days.