Adding a Interaction with audio into Presenter

Hi All,

I'm a new user to Articulate and working with a client on my first e-learning course.  My narrataor is a SME and will be recording all the narration.  She is recording directly into Presenter except for interaction slides which she'll recorded in Engage.

My question is:  How do the narrated interaction slides get inserted into Presenter? 

 I tried going into my presentation and clicking on Engage Interactions and then clicked on " add existing interaction" -   I then  hit "save and return to Presenter" - but when I checked to see to see if the audio was on my slide through audio editor - it was blank.  What am I not doing right?

Stephanie