How to manage array with dynamic_templates

i want to use dynamic mapping an manage array of object by making them defined as arrays.
it works when i define the field directly:

"tx.chargingSessionEvents": {
          "type": "nested"

but i would like elasticsearch to detect arrays and use nested automatically.
I've tried something like that :

"dynamic_templates": [
          "Arrays": {
            "match_mapping_type": "array",
            "mapping": {
              "type": "nested"

i thought i would work considering this part of the documentation
And using the java client i got this error:
No field type matched on [array], possible values are [object, string, long, double, boolean, date, binary]

Am i missing something or is there a kind of limitation i didn't thought about ?

Bonjour Julien :wink:

No I don't think it's possible actually.

1 Like

There is no dedicated array datatype in Elasticsearch, that's why you got that error.

You will need to use explict mapping in this case.

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