Draco exporter with vertexcolor(color attributes in buffergeometry)

Questions
1

https://threejs.org/examples/misc_exporter_draco.html

with help of above examples,

I am try to save mesh with buffergeometry which has color attribute.

After saving to draco file , when I use draco file with dracoloader no color or no color attribute in buffergeometry?

is there any limitation of draco regarding colors?

2

Have you set exportColor to true in the exporter options?

3

thanks!
I forgot to do that.