Alexa app conversations notification on Galaxy S7

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I have a Galaxy S7 connected to the same Amazon account as my Echo dot at home. I get voice messages in the Conversations tab of the app from the Echo at home, but I don't get a notification when this happens. How can I get a notification when I receive a voice message? Is there a way to turn this on in the app or an IFTTT solution?
Or is there a different forum where I should be asking this question?