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