update method Null safety
- String? correlation_id,
- T? item
Updates a data item.
correlation_id
(optional) transaction id to trace execution through call chain.item
an item to be updated. Return Future that receives updated item Throw error.
Updates a data item.
correlation_id
(optional) transaction id to trace execution through call chain.item
an item to be updated.
Return Future that receives updated item
Throw error.