2018-07-02 17:44:36 -04:00
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[[painless-watcher-transform-context]]
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=== Watcher transform context
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2018-07-25 13:59:25 -04:00
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Use a Painless script to {xpack-ref}/transform-script.html[transform] watch
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2018-07-02 17:44:36 -04:00
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data into a new payload for use in a response to a condition.
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*Variables*
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`params` (`Map`, read-only)::
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User-defined parameters passed in as part of the query.
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`ctx['watch_id']` (`String`, read-only)::
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The id of the watch.
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`ctx['execution_time']` (`DateTime`, read-only)::
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The start time for the watch.
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`ctx['trigger']['scheduled_time']` (`DateTime`, read-only)::
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The scheduled trigger time for the watch.
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`ctx['trigger']['triggered_time']` (`DateTime`, read-only)::
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The actual trigger time for the watch.
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`ctx['metadata']` (`Map`, read-only)::
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Any metadata associated with the watch.
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`ctx['payload']` (`Map`, read-only)::
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The accessible watch data based upon the
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2018-07-25 13:59:25 -04:00
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{xpack-ref}/input.html[watch input].
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2018-07-02 17:44:36 -04:00
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*Return*
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`Object`::
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The new payload.
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*API*
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The standard <<painless-api-reference, Painless API>> is available.
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