Check "Third-party matching. The token will be injected by script on other origins." box when registring for an origin trial.

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Increase Divine-Wisdom

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Oct 30, 2025, 9:22:09 AMOct 30
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Hey guys,

I've been following the discussions and you guys have been providing awesome support!. So, I am about to host my Chrome-built-in challenge app on Firebase hosting with https://example.web.app domain(subdomain?). When registering for origin trial tokens, is it necessary to check the "Third-party matching. The token will be injected by script on other origins." box since it's not a custom domain?

Thanks!

Increase Divine-Wisdom

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Oct 30, 2025, 9:25:43 AMOct 30
to Chrome Built-in AI Early Preview Program Discussions, Increase Divine-Wisdom
There are actually two boxes I have questions about when registering for origin trials:

Third-party matching. The token will be injected by script on other origins.

I need a token to match all subdomains of the origin.

Screenshot 2025-10-30 at 2.23.52 PM.png

Thomas Steiner

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Oct 30, 2025, 9:35:30 AMOct 30
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Hi there,

In this case, the registration should look like this:

Screenshot 2025-10-30 at 07.34.07.png

Cheers,
Tom

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Increase Divine-Wisdom

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Oct 30, 2025, 11:18:32 AMOct 30
to Chrome Built-in AI Early Preview Program Discussions, Thomas Steiner, Chrome Built-in AI Early Preview Program Discussions, Increase Divine-Wisdom
Thanks, Tom!
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