The function takes a groupKey to return all members of the group.
The function takes a groupKey to return all members of the group. Current Error Handling will terminate on an error from our side, but will retry if it is a bad return response from google, likely a service unavailable. Which occurs sporadically.
This is either the unique group id or the group email address. Which specifies which group to return the members of
A list of all members of the group