Fix webhook trigger.json example (#18613)

As it is, the curl sample, without data, actually generates a
```
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)
```
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Chris Browet 2021-07-26 10:23:41 +02:00 committed by GitHub
parent d6053287e9
commit 9bd32c7567
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@ -667,7 +667,7 @@ automation:
You can run this automation by sending an HTTP POST request to `http://your-home-assistant:8123/api/webhook/some_hook_id`. Here is an example using the **curl** command line program, with an empty data payload:
```shell
curl -X POST https://your-home-assistant:8123/api/webhook/some_hook_id
curl -X POST -d '{ "key": "value"}' https://your-home-assistant:8123/api/webhook/some_hook_id
```
Webhook endpoints don't require authentication, other than knowing a valid webhook ID. You can send a data payload, either as encoded form data or JSON data. The payload is available in an automation template as either `trigger.json` or `trigger.data`. URL query parameters are available in the template as `trigger.query`. Remember to use an HTTPS URL if you've secured your Home Assistant installation with SSL/TLS.