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Document extend/remove with substitutions and Jinja #5489

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Oct 19, 2025
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Document extend/remove with substitutions and Jinja #5489

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40 changes: 39 additions & 1 deletion content/components/packages.md
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Original file line number Diff line number Diff line change
Expand Up @@ -182,7 +182,7 @@ captive_portal:
sensor:
- platform: uptime
id: uptime_sensor
update_interval: 1min
update_interval: 5min
```

```yaml
Expand All @@ -194,6 +194,31 @@ sensor:
update_interval: 10s
```

`!extend` also works with substitutions and jinja:

```yaml
substitutions:
switches:
- left_switch
- right_switch
- center_switch

mains_switch: 1

switch:
- platform: gpio
id: left_switch
pin: 1
- platform: gpio
id: right_switch
pin: 2
- platform: gpio
id: center_switch
pin: 3
- id: !extend ${ switches[mains_switch] }
name: "Mains switch"
```

{{< anchor "config-packages_remove" >}}

## Remove
Expand Down Expand Up @@ -229,6 +254,19 @@ sensor:
update_interval: !remove
```

`!remove` also works with substitutions:

```yaml
substitutions:
disable_reboot: true

switch:
- platform: restart
id: restart_switch
name: "Living Room Restart"
- id: !remove ${disable_reboot and "restart_switch"}
```

## See Also

- {{< docref "/index" "ESPHome index" >}}
Expand Down