Official documentation

Adding a custom sentence to trigger an automation

Home Assistant project, Home Assistant, 2026

Read on October 17, 2026

What it is: The Home Assistant guide to adding your own sentences to Assist, either as a sentence trigger for an automation or by extending a built-in intent, with its setup steps in the Settings interface.
How much weight it carries: Official documentation for the project's own voice system. The steps describe the interface at the time of checking, so the menu names may change in later releases.

Facts taken from this source

Home Assistant says you can add your own sentences to Assist's intent recognizer, either by extending an existing intent or by creating a new one.
“You may add your own sentences to the intent recognizer by either extending an existing intent or creating a new one.” (Adding a custom sentence to trigger an automation (introduction))
In Home Assistant's interface, you create a sentence trigger by entering one or more sentences, and you leave out punctuation.
“Enter one or more sentences that you would like to trigger an automation. Do not use punctuation.” (Adding a custom sentence to trigger an automation (creating the trigger in the interface))