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<h2 class="title"><a id="action-foreach"></a>Running an action for each element in an array<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/elasticsearch/edit/7.3/x-pack/docs/en/watcher/actions.asciidoc">edit</a><a class="xpack_tag" href="/subscriptions"></a></h2>
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<p>You can use the <code class="literal">foreach</code> field in an action to trigger the configured action
for every element within that array.</p>
<p>In order to protect from long running watches, after one hundred runs with an
foreach loop the execution is gracefully stopped.</p>
<div class="pre_wrapper lang-console">
<pre class="programlisting prettyprint lang-console">PUT _watcher/watch/log_event_watch
{
"trigger" : {
"schedule" : { "interval" : "5m" }
},
"input" : {
"search" : {
"request" : {
"indices" : "log-events",
"body" : {
"query" : { "match" : { "status" : "error" } }
}
}
}
},
"condition" : {
"compare" : { "ctx.payload.hits.total" : { "gt" : 0 } }
},
"actions" : {
"log_hits" : {
"foreach" : "ctx.payload.hits.hits", <a id="CO498-1"></a><i class="conum" data-value="1"></i>
"logging" : {
"text" : "Found id {{ctx.payload._id}} with field {{ctx.payload._source.my_field}}"
}
}
}
}</pre>
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<p>The logging statement will be executed for each of the returned search hits.</p>
</td>
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