Required configuration

You must add the file URL for the audio file to the configuration. If the file is uploaded to the intranet you can right click the download icon to get the URL. For example:

{"fileUrl" : "/attachment/64540230000/15420/canada-geese.mp3"}

Optional configuration

Set to 'true' or 'false' to toggle the default setting. User's can set their preference themselves at any time this by clicking on the speaker icon. This defaults to true.
"fileUrl" : "/attachment/64540230000/15420/canada-geese.mp3",
"soundsOnByDefault" : true