API > wxt/browser > Browser > runtime > onStartup
Variable: onStartup
onStartup:
RuntimeEvent
Fired when a profile that has this extension installed first starts up. This event is not fired when an incognito profile is started, even if this extension is operating in 'split' incognito mode.
Since
Chrome 23
Source
packages/browser/src/gen/index.d.ts:9528
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