How to use Blend Shapes for 3d model?

I am trying use these Blend Shapes like blink eyes and open mouth for 3d model. I have made my model with Blender using Shape Keys for this. Help me regarding How to use these blend shapes to trigger when these actions are perfromed.

Hi, we don’t currently have detection for separate eyes but we do have Blink (both eyes) and Mouth open animation triggers. You can create these animations in blender and trigger them from the studio