# Is a Custom Exit Popup Allowed on webOS TV 5.0 or lower?

**URL:** <https://forum.webostv.developer.lge.com/t/is-a-custom-exit-popup-allowed-on-webos-tv-5-0-or-lower/27823>\
**Category:** Web App Development\
**Created:** [August 18, 2025, 7:30am UTC](https://forum.webostv.developer.lge.com/t/is-a-custom-exit-popup-allowed-on-webos-tv-5-0-or-lower/27823 "2025-08-18T07:30:15Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Melch](https://avatars.discourse-cdn.com/v4/letter/m/9d8465/32.png) [@Melch](https://forum.webostv.developer.lge.com/u/Melch)\
**Post date:** [August 18, 2025, 7:30am UTC](https://forum.webostv.developer.lge.com/t/is-a-custom-exit-popup-allowed-on-webos-tv-5-0-or-lower/27823/1 "2025-08-18T07:30:15Z")

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Hello!

I’m wondering if it is allowed to implement a **custom exit popup on webOS TV 5.0 or lower** instead of immediately launching the Home launcher (provided disableBackHistoryAPI is set to true). Would such an implementation cause any issues during LG QA testing after an app submission?

According to the documentation at [https://webostv.developer.lge.com/develop/guides/back-button](https://webostv.developer.lge.com/develop/guides/back-button):

> When a user presses the Back button on the Magic Remote, your app **should** do one of the following:  
> • If the current page is the entry page to your app:  
> – On webOS TV 5.0 or lower, launch the Home launcher.

I assume this refers to the `webOS.platformBack()` behavior. However, since `window.close()` also exits the app, it seems possible to use it to implement a custom popup on webOS TV 5.0 or lower. I haven’t found anything specific in the QA self-checklist that explicitly prohibits this.

Thank you, any clarification would be greatly appreciated!

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**Author:** ![narae0.kim](https://avatars.discourse-cdn.com/v4/letter/n/87869e/32.png) [@narae0.kim](https://forum.webostv.developer.lge.com/u/narae0.kim)\
**Post date:** [August 18, 2025, 7:34am UTC](https://forum.webostv.developer.lge.com/t/is-a-custom-exit-popup-allowed-on-webos-tv-5-0-or-lower/27823/2 "2025-08-18T07:34:26Z")

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