navigator.id.raiseProvisioningFailure(explanation)
with <tt>explanation</tt> a string explaining the failure. The domain SHOULD concludes all JavaScript activity after making this call.
You SHOULD use one of the following <tt>explanation</tt> codes:
* <tt>user is not authenticated as target user</tt> - Indicates UA should show sign in screen again, due to an error
If the user is properly authenticated, the domain MUST call: