> 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.md).

# The basics

- [Customization](https://docs.codpeller.com/en/rekassa/the-basics/customization.md): To connect the online store to reKassa, follow the steps described below
- [Environment](https://docs.codpeller.com/en/rekassa/the-basics/customization/environment.md)
- [Currency code](https://docs.codpeller.com/en/rekassa/the-basics/customization/currency-code.md)
- [Currency rate](https://docs.codpeller.com/en/rekassa/the-basics/customization/currency-rate.md)
- [Test Data](https://docs.codpeller.com/en/rekassa/the-basics/test-data.md)
- [How to Access the Test Cash Register Dashboard](https://docs.codpeller.com/en/rekassa/the-basics/test-data/how-to-access-the-test-cash-register-dashboard.md): Request to Be Added to the Test Cash Register