// This file is autogenerated, DO NOT EDIT
// aggregations.asciidoc:337

[source, python]
----
resp = client.search(
    index="my-index-000001",
    size="0",
    runtime_mappings={
        "message.length": {
            "type": "long",
            "script": "emit(doc['message.keyword'].value.length())"
        }
    },
    aggs={
        "message_length": {
            "histogram": {
                "interval": 10,
                "field": "message.length"
            }
        }
    },
)
print(resp)
----
