Trigger authentication via Siri in Carplay

Question

Created Dec ’22

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Hi,

I have a question about the possibility to authenticate a user , by triggering an external e.g. MFA authenticator APP, authentication in CarPlay using Siri.

The Scenario is that your driving your car and you're interacting with an app using Siri and ordering stuff in the app, but before the order is placed, the user needs to confirm the order and authenticate himself, by e.g. using an (external) MFA authenticator app on the phone connected to the car via CarPlay? Off course the user would probably need to pick up the phone and enter a passcode, or using FaceID.

Is this scenario possible to implement? if so, how?

Thanks!

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Answer 1

Systems Engineer OP

Apple

Dec ’22

Per the CarPlay app guidelines in the CarPlay App Programming Guide:

Never instruct users to pick up their iPhone to perform a task. If there is an error condition, such as a required log in, you can let users know about the condition so they can take action when safe. However, user messages must not include wording that asks users to manipulate their iPhone.
All CarPlay user flows must be possible without interacting with iPhone.

If the scenario you have in mind would require the user to interact with their iPhone to complete, then that is not an appropriate use case for CarPlay.

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