> For the complete documentation index, see [llms.txt](https://docs.codpeller.com/en/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.codpeller.com/en/rekassa/the-basics/customization/environment.md).

# Environment

The integration app with the online cash register can operate in 2 modes: Test and Live

### Live mode

To enable Live mode in the app, go to the "Advanced settings" section and select "Live" in the "Environment" field

<figure><img src="/files/1lmzdMLeOkj5J8l8a4eh" alt=""><figcaption></figcaption></figure>