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Clarify scripts example for scope of variables (#24336)

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Caleb Mah 2022-10-03 21:35:38 +08:00 committed by GitHub
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@ -95,7 +95,7 @@ Variables can be templated.
Variables have local scope. This means that if a variable is changed in a nested sequence block, that change will not be visible in an outer sequence block.
The following example will always say "There are 0 people home". Inside the `if` sequence the `variables` action will only alter the `people` variable for that sequence.
Inside the `if` sequence the `variables` action will only alter the `people` variable for that sequence.
{% raw %}
@ -114,11 +114,13 @@ sequence:
- variables:
people: "{{ people + 1 }}"
# At this scope, people will now be 1 ...
- service: notify.notify
data:
message: "There are {{ people }} people home" # "There are 1 people home"
# ... but at this scope it will still be 0
# Announce the count of people home
- service: notify.notify
data:
message: "There are {{ people }} people home"
message: "There are {{ people }} people home" # "There are 0 people home"
```
{% endraw %}