Github user geomacy commented on a diff in the pull request:
https://github.com/apache/brooklyn-docs/pull/159#discussion_r108871638
--- Diff: guide/java/policies.md ---
@@ -235,6 +235,30 @@ An Enricher which computes latency in accessing a URL.
Can be used to combine the values of sensors. This enricher should be
instantiated using Enrichers.buider.combining(..).
This enricher is only available in Java blueprints and cannot be used in
YAML.
+#### Note On Enricher Producers
+
+`enricher.producer: brooklyn:entity("entity.id.here")` is a
`brooklyn.config` key/value pair that should be supplied to any
--- End diff --
I found this paragraph a bit hard to parse at first read! Maybe just
something like
> If an entity needs an enricher whose source sensor
(`enricher.sourceSensor`) belongs
> to another entity, then the enricher configuration must include an
`enricher.producer`
> key referring to the other entity.
>
> For example...
```
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