> For the complete documentation index, see [llms.txt](https://developers.klasha.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developers.klasha.com/~/revisions/H5FGFkMO860BT4FVTiB5/overview/parameters.md).

# Parameters

This page shows the list of template variables used across the documentation and their values.

## List of url variables 

| Name                                       | Descriptiom                                                      | Value                                                                                                                                                              |
| ------------------------------------------ | ---------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| *<mark style="color:red;">env\_url</mark>* | Environment base url                                             | <p>sandbox: <a href="https://dev.kcookery.com"><https://dev.kcookery.com></a><br>live: <a href="https://gate.klasapps.com/pay"><https://gate.klasapps.com></a></p> |
| *<mark style="color:red;">gateway</mark>*  | Supported payment gateway.  (available for the selected payment) | e.g. NGN, ZAR, USD e.t.c                                                                                                                                           |
| *<mark style="color:red;">tx\_ref</mark>*  | Unique transaction reference                                     | UUID or a guaranteed unique value                                                                                                                                  |