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Yes,

id

is generated if not present so you don’t need to set one. It can be useful to do so if you later want to use it for an update or delete.

I guess something for the format definition spec or for the JSON Schema

A related question, when i generate the mapping via record and replay I see an

id

as well as

uuid

field both having the same value. Do I need to specify

uuid

also if i am specifying

id

in my mapping?

From what I see in the code, no

No,

uuid

is there for backwards compatibility reasons and will disappear, probably in 3.x