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Clarify update scripts docs on doc vs ctx use (#66357)

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Emanuil Tolev 2023-03-09 14:57:17 +00:00 • committed by GitHub
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docs/reference/scripting/fields.asciidoc
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@ -16,6 +16,8 @@ API will have access to the `ctx` variable which exposes:
`ctx.op`:: The operation that should be applied to the document: `index` or `delete`.
`ctx._index` etc:: Access to <<mapping-fields,document metadata fields>>, some of which may be read-only.
These scripts do not have access to the `doc` variable and have to use `ctx` to access the documents they operate on.
[discrete]
== Search and aggregation scripts