> ## Documentation Index
> Fetch the complete documentation index at: https://docs.arcetix.com/llms.txt
> Use this file to discover all available pages before exploring further.

# File upload

> Upload CSVs and reference data with @file/column.

Upload a CSV during generation to enable column references in prompts:

```text theme={null}
use @users.csv/email and @users.csv/password to log in
```

After upload, select columns via autocomplete and include them in steps or variables.