You can now offers users your own 2-button dialog box with custom message and button text, like so:
The setup is super simple. You'll need a trigger volume or other sensor to trigger this script to be offered to that user, of course. And this script will output "bang" messages with <name>:1 or <name>:2 names, depending on which button is pressed. Here's the above example's settings:
And here's an audio emitter script configured to respond to one of the buttons:
I'm really hoping that LL will give us the ability to have more than just 2 buttons soon. But this is better than nothing. And it works in both Desktop and VR modes.