Workers Cron Trigger: how know which colo the script executes?

Developers Workers
#1

With the FetchEvent, there are [IncomingRequestCfProperties](https://developers.cloudflare.com/workers/runtime-apis/request#incomingrequestcfproperties) available to know interesting things about the incoming request. One is the colo: The three-letter airport code of the data center that the request hit.

Is there any way to know, from inside the Worker script, at which colo the Cron Triggered script executed?

#2

It as a workaround:

const req = await fetch("https://example.com");
const colo = req.headers.get("cf-ray").split('-')[1];
1 Like
#3

Ha! Love this little workaround … didn’t think of it

#4

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