How to list all consumers from a group acl?

I’m using kong 1.0.3 and i need some help :stuck_out_tongue_winking_eye:.
Is there a way to list all the consumers from a group on acl plugin?

Something like

I tried this:
but returns just one consumer and i have 3 consumers in this group

I did some research on this, but found no answer to that.
Thanks for the attention!