This endpoint expects an object.
ID of the group for which to list members.
The cursor to resume iteration from. If not provided, then
iteration starts from the beginning.
The maximum number of members to return. If not set, then the
default is '50'.
Allowed values: afterbefore
The iteration mode to use. If "after", then entries after the provided
cursor will be returned, or if no cursor is provided, then from the
beginning. If "before", then entries before the provided cursor will be
returned, or if no cursor is provided, then from the end. Entries will
always be returned in the specified sort-by order.