get
fun getAllCompletedGroupPlayCoupons(groupId: Long, sessionToken: String, accessToken: String): Single<List<GroupPlayListItem>>
getAllCompletedGroupPlayCoupons, This Single will emmit a list of GroupPlayListItem containing all completed coupons
Return
a Single that emits a list of GroupPlayListItem.
Parameters
group
the id of the group.
session
optional token of the user.
access
JWT access token of the user.