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Change example to use expand as a function (#16144)

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expand does not work as a filter but only as a function. Adjust the example accordingly.
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kongo09 2021-01-10 21:40:13 +01:00 committed by GitHub
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source/_docs/configuration/templating.markdown
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@ -164,7 +164,7 @@ The same thing can also be expressed as a filter:
{% raw %} {% raw %}
```text ```text
{{ ['device_tracker.paulus', 'group.child_trackers'] | expand {{ expand(['device_tracker.paulus', 'group.child_trackers'])
| selectattr("attributes.battery", 'defined') | selectattr("attributes.battery", 'defined')
| join(', ', attribute="attributes.battery") }} | join(', ', attribute="attributes.battery") }}
``` ```