Grant auth code in app-to-app Alexa linking flow

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Problem statement

We want to generate an authorization code with Auth0 to configure the app-to-app Alexa linking flow. It is step 5 of the following doc. App-to-App Account Linking (Starting From Your App) | Alexa Skills Kit
Is this supported?

Solution

Unfortunately, we don’t support any non-standard behavior as the app-to-app. Perhaps you might use the standard prompt=none as explained in Configure Silent Authentication and specify code as the response type. However, that implies that your app launches a browser (and that browser must have a valid SSO session so that the user does not have to authenticate again) and that will likely break the native experience of the App-to-App scenario.

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