Google-Extended
In short
The name you use in robots.txt to decide whether your content is used to train Gemini models and in answers in Gemini apps.
Example
Writing "Disallow: /" under "User-agent: Google-Extended" turns off that use of your content.
Where you'll see it in AILens
The training bot decision (AGT-011) and Google AI results participation (ELG-007) controls.
It is not a separate crawler, it is a permission name for content Googlebot crawls. According to Google, this setting does not affect your inclusion in Google Search.
Often confused with
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