jeans/home-assistant.io
jeans/home-assistant.io
1
0
Fork 0
mirror of https://github.com/home-assistant/home-assistant.io.git synced 2025-07-22 16:56:50 +00:00
Code Issues Packages Projects Releases Wiki Activity

add states() example to considerations (#25289)

Browse Source
This commit is contained in:
Marius 2022-12-19 15:48:57 +01:00 committed by GitHub
parent b924211d48
commit ba69fb63dc
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
source/_integrations/template.markdown
View File

@ -329,7 +329,9 @@ If the template accesses every state on the system, a rate limit of one update p
### Startup
If you are using the state of a platform that might not be available during startup, the Template Sensor may get an `unknown` state. To avoid this, use `is_state()` function in your template. For example, you would replace {% raw %}`{{ states.switch.source.state == 'on' }}`{% endraw %} with this equivalent that returns `true`/`false` and never gives an `unknown` result:
If you are using the state of a platform that might not be available during startup, the Template Sensor may get an `unknown` state. To avoid this, use the `states()` function in your template. For example, you should replace {% raw %}`{{ states.sensor.moon.state }}`{% endraw %} with this equivalent that returns the state and never results in `unknown`: {% raw %}`{{ states('sensor.moon') }}` {% endraw %}.
The same would apply to the `is_state()` function. You should replace {% raw %}`{{ states.switch.source.state == 'on' }}`{% endraw %} with this equivalent that returns `true`/`false` and never gives an `unknown` result:
{% raw %}