# Feedback to user

Once the **APP** receives the request confirmation (`challenge_wait` + `uuid`), it should tell the user to start its **PKSA** to approve the challenge request before the request expires.

**Note:** It is strongly suggested to the **APP** and the **PKSA** to display part or all of the uuid of the request to the user. This will allow them to match it on both sides and be sure to approve the right challenge.


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