# Using Google Optimize in a plugin initializer JS

**URL:** <https://meta.discourse.org/t/using-google-optimize-in-a-plugin-initializer-js/184865>\
**Category:** Product Support\
**Created:** [March 30, 2021, 4:17pm UTC](https://meta.discourse.org/t/using-google-optimize-in-a-plugin-initializer-js/184865 "2021-03-30T16:17:33Z")\
**Posts on this page:** 1\
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**Author:** ![hawm](https://avatars.discourse-cdn.com/v4/letter/h/f07891/32.png) [@hawm](https://meta.discourse.org/u/hawm)\
**Post date:** [March 31, 2021, 2:49pm UTC](https://meta.discourse.org/t/using-google-optimize-in-a-plugin-initializer-js/184865/6 "2021-03-31T14:49:28Z")

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Seems `gtag` is define at runtime under `window` object, so you don’t have to import it again but call it in runtime like `window.gtag`.  
[https://github.com/discourse/discourse/blob/master/app/assets/javascripts/google-universal-analytics-v4.js](https://github.com/discourse/discourse/blob/master/app/assets/javascripts/google-universal-analytics-v4.js)

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