Changes the list of users that belong to the user group.
elasticache_modify_user_group(UserGroupId, UserIdsToAdd,
UserIdsToRemove)
[required] The ID of the user group.
The list of user IDs to add to the user group.
The list of user IDs to remove from the user group.
A list with the following syntax:
list( UserGroupId = "string", Status = "string", Engine = "string", UserIds = list( "string" ), PendingChanges = list( UserIdsToRemove = list( "string" ), UserIdsToAdd = list( "string" ) ), ReplicationGroups = list( "string" ), ARN = "string" )
svc$modify_user_group( UserGroupId = "string", UserIdsToAdd = list( "string" ), UserIdsToRemove = list( "string" ) )