From 28 June 2021, TVNZ OnDemand shows won’t be available through Freeview On Demand anymore - you can only stream them through TVNZ OnDemand.
If you have either the SmartVU SV11 or SmartVU SV10 You will be able to download the Android TV version of the TVNZ OnDemand application and continue to stream TVNZ On Demand content on your device.