Create a new device record for this application.

💾 This method alters the persisted account state.

This method register a device record for the application, providing basic metadata for the device along with a list of supported Device Capabilities for participating in the "device commands" ecosystem.

Applications should call this method soon after a successful sign-in, to ensure they they appear correctly in the user's account-management pages and when discovered by other devices connected to the account.

Arguments

• name - human-readable display name to use for this application

• device_type - the type of device the application is installed on

• supported_capabilities - the set of capabilities to register for this device in the "device commands" ecosystem.

Notes

• Device registration is only available to applications that have been granted the https://identity.mozilla.com/apps/oldsync scope.