# TX webviewer and site cookies

**URL:** https://community.thunkable.com/t/tx-webviewer-and-site-cookies/285989
**Category:** Questions about Thunkable X
**Created:** [October 24, 2019, 2:39am UTC](https://community.thunkable.com/t/tx-webviewer-and-site-cookies/285989 "2019-10-24T02:39:25Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![domhnallohanlon](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/domhnallohanlon/32/29554_2.png) [@domhnallohanlon](https://community.thunkable.com/u/domhnallohanlon)
#### Post date: [July 20, 2020, 7:57am UTC](https://community.thunkable.com/t/tx-webviewer-and-site-cookies/285989/2 "2020-07-20T07:57:51Z")

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Hey @thunkable35 - not sure whether or not you can use these blocks, but just flagging them with you here in case you didn’t know about them:

> [@\[Solved\] Question about web viewer receives message](http://community.thunkable.com/t/solved-question-about-web-viewer-receives-message/569039/2):
>
> You webpage needs include: \<script src="https://thunkable.github.io/webviewer-extension/thunkableWebviewerExtension.js" type="text/javascript"\>\</script\> ThunkableWebviewerExtension.postMessage('hello world'); You can find instructions and details here:

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