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Update camera.markdown (#4146)

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* Update camera.markdown

Added an example for the new camera.snapshot service with a timestamped filename (seems to be a common request).

* ✏️ Updated PR with suggestions from arsaboo
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Stephen Foskett 2017-12-30 06:07:01 -05:00 committed by Franck Nijhof
parent 50587be76b
commit 9ca5df951c
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source/_components/camera.markdown
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@ -45,6 +45,16 @@ Take a snapshot from a camera.
The path part of `filename` must be an entry in the `whitelist_external_dirs` in your [`homeassistant:`](/docs/configuration/basic/) section of your `configuration.yaml` file.
For example, the following action in an automation would take a snapshot from "yourcamera" and save it to /tmp with a timestamped filename.
```yaml
action:
service: camera.snapshot
data:
entity_id: camera.yourcamera
filename: '/tmp/yourcamera_{{ now().strftime("%Y%m%d-%H%M%S") }}.jpg'
```
### {% linkable_title Test if it works %}
A simple way to test if you have set up your `camera` platform correctly, is to use <img src='/images/screenshots/developer-tool-services-icon.png' alt='service developer tool icon' class="no-shadow" height="38" /> **Services** from the **Developer Tools**. Choose your service from the dropdown menu **Service**, enter something like the sample below into the **Service Data** field, and hit **CALL SERVICE**.