# DDNS customer app

**URL:** <https://community.glideapps.com/t/ddns-customer-app/23693>\
**Category:** Project Showcase\
**Created:** [March 3, 2021, 12:52am UTC](https://community.glideapps.com/t/ddns-customer-app/23693 "2021-03-03T00:52:37Z")\
**Posts on this page:** 3\
**Page:** 2

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**Author:** ![gvalero](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/gvalero/32/1037_2.png) [@gvalero](https://community.glideapps.com/u/gvalero)\
**Post date:** [March 18, 2021, 3:11am UTC](https://community.glideapps.com/t/ddns-customer-app/23693/21 "2021-03-18T03:11:54Z")

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jeje but I can’t follow you 🙂

What kind of _sample_ do you need? A sample APP?

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**Author:** ![abe.sherman](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/abe.sherman/32/11260_2.png) [@abe.sherman](https://community.glideapps.com/u/abe.sherman)\
**Post date:** [March 18, 2021, 3:15am UTC](https://community.glideapps.com/t/ddns-customer-app/23693/22 "2021-03-18T03:15:02Z")

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Not sure we are on the same page. But this is what i am asking.

1. A JS script sample of how to be able to trigger a command in my pi. (Google Sheet script)
2. As well how do i set it up in my pi to refresh once its triggerd? (in the Pi)

also  
@gvalero What CSS Code did you use to do this?

 ![image](https://us1.discourse-cdn.com/flex002/uploads/glideapps/original/3X/3/2/3208a0d878f4fcfa334a8fef893fa493cde1c015.jpeg)

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<div class="post-metadata">

**Author:** ![gvalero](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/gvalero/32/1037_2.png) [@gvalero](https://community.glideapps.com/u/gvalero)\
**Post date:** [March 18, 2021, 8:52pm UTC](https://community.glideapps.com/t/ddns-customer-app/23693/23 "2021-03-18T20:52:03Z")

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Ah… your dear Pi devices!! 🤣

To be honest, I don’t know very well Pi although I know they support JS and what you need is a WebSocket (your Pi will work as a WebSocket server).

Here you can read a good post about it [https://www.raspberry-pi-geek.com/Archive/2015/12/Controlling-the-Raspberry-Pi-with-Android-via-the-WebSocket-protocol](https://www.raspberry-pi-geek.com/Archive/2015/12/Controlling-the-Raspberry-Pi-with-Android-via-the-WebSocket-protocol)

Feliz día

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