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

# Default Variables

Default Variables are special variables that can not be overridden. You can use them just like any other variables.

* `$parent` - a reference to a parent node;
* `$prevStep` - a reference to the previous node within a [Folder](/node-types/folder.md) node;
* `$nextStep` - a reference to the next node within a [Folder](/node-types/folder.md) node;
* `$dynamicVar` - a [dynamic variables](/variables/user-variables/dynamic-variables.md) object;
* `$response` - a reference to a response in a [RequestStep](/node-types/request-step.md) node;
* `$env` - an [environment variables](/variables/env.md) object.
* `$systemVar`- an object for accessing system environment variables