Google is transitioning third-party smart home account linking to be handled fully and independently within the Google Home app. Updates to your integration may be needed before September 30, 2026. For more information, see the Account linking migration guide.
Disconnect
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If the user unlinks your smart home Action from
Google Assistant, your fulfillment receives an
action.devices.DISCONNECT
intent. This intent indicates that Assistant will not send
any more intents for this user, and your cloud service should stop calling
Google Home Graph APIs (Request Sync and
Report State) for their devices.