Hi! If you’re looking to incorporate voice commands into an Axure RP prototype, then it looks like using javascript can help to get you where you need to be. The post linked below has a cool example of getting a prototype to use your microphone and listen for specific voice commands, which then trigger interactions in the prototype:
The Axure staff aren’t able to advise on how to leverage javascript, but other code-savvy users her on the forum can help advise!