2019-01-14 21:44:21 -05:00
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The following variables are available in all watcher contexts.
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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['id']` (`String`, read-only)::
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The server generated unique identifer for the run watch.
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`ctx['metadata']` (`Map`, read-only)::
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Metadata can be added to the top level of the watch definition. This
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is user defined and is typically used to consolidate duplicate values
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in a watch.
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`ctx['execution_time']` (`ZonedDateTime`, read-only)::
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The time the watch began execution.
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`ctx['trigger']['scheduled_time']` (`ZonedDateTime`, read-only)::
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The scheduled trigger time for the watch. This is the time the
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watch should be executed.
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`ctx['trigger']['triggered_time']` (`ZonedDateTime`, read-only)::
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The actual trigger time for the watch. This is the time the
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watch was triggered for execution.
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`ctx['payload']` (`Map`, read-only)::
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The accessible watch data based upon the
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2019-09-30 13:18:50 -04:00
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{ref}/input.html[watch input].
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2019-01-14 21:44:21 -05:00
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*API*
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The standard <<painless-api-reference, Painless API>> is available.
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To run this example, first follow the steps in
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<<painless-context-examples, context examples>>.
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