# How to use the values Stored on Firebase

**URL:** <https://community.thunkable.com/t/how-to-use-the-values-stored-on-firebase/2297271>\
**Category:** Questions about Thunkable X\
**Created:** [February 26, 2023, 12:31pm UTC](https://community.thunkable.com/t/how-to-use-the-values-stored-on-firebase/2297271 "2023-02-26T12:31:22Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![shree.walguder0s](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/shree.walguder0s/32/148710_2.png) [@shree.walguder0s](https://community.thunkable.com/u/shree.walguder0s)\
**Post date:** [February 26, 2023, 12:31pm UTC](https://community.thunkable.com/t/how-to-use-the-values-stored-on-firebase/2297271/1 "2023-02-26T12:31:22Z")

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Basically I am creating an app for payment (not real) and I have the account balance value stored on firebase. So now I want to do that the ammount value enter by the merchant and the account number. The value will get subtracted from the current account balance value on firebase and update.

Please help me doing so.

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**Author:** ![tatiang](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/tatiang/32/55482_2.png) [@tatiang](https://community.thunkable.com/u/tatiang)\
**Post date:** [February 26, 2023, 5:29pm UTC](https://community.thunkable.com/t/how-to-use-the-values-stored-on-firebase/2297271/2 "2023-02-26T17:29:38Z")

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This topic has an example of how to use cloud variables with Firebase:

> [@Connecting cloud variables to firebase](https://community.thunkable.com/t/connecting-cloud-variables-to-firebase/61866):
>
> I have started a project at Firebase and I defined a cloud variable (at database tab). I have copied the apiKey and databaseURL to my app (at Firebase Settings). I don’t know why I can’t change the value of this variable from Firebase. Is there any video shows how to setup a cloud variable at Firebase and allocate its value to a corresponding variable at thunkable cross project? Thanks, Ahmed

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**Author:** ![system](https://us1.discourse-cdn.com/flex015/uploads/thunkable/original/3X/0/f/0f59f292712368bce16ff80133ae10de8a6f27e8.png) [@system](https://community.thunkable.com/u/system)\
**Post date:** [May 27, 2023, 5:30pm UTC](https://community.thunkable.com/t/how-to-use-the-values-stored-on-firebase/2297271/3 "2023-05-27T17:30:06Z")

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