HDRi Environment Lighting for Lightmaps?

Unity Engine
1

I’d like to know if it’s possible to use an HDRi sky to create lightmaps in Unity. The sky would not be seen at runtime and could be replaced with an LDR version. If this is not possible, are there any image-based approaches to lighting in Unity?

2

You can set the Ambient Source to SkyBox and bake the scene. Also for dynamic HDRI , you can use lightprobes.

Also you can use this one: