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

# dex viz

> Reference for dex viz preview, which is not yet implemented and returns a not_implemented envelope, with the flags it accepts and the shape of what it prints.

preview the semantic layer (not yet implemented)

## dex viz preview

Not yet implemented: returns a not\_implemented envelope.

```text theme={null}
dex viz preview
```

Every command here also accepts the [global options](/dex/cli/overview#global-options).

Source: [`packages/dex-core/src/exmergo_dex_core/cli.py`](https://github.com/exmergo/dex/blob/v1.14.1/packages/dex-core/src/exmergo_dex_core/cli.py) ([edit on main](https://github.com/exmergo/dex/edit/main/packages/dex-core/src/exmergo_dex_core/cli.py)). This page is generated; change the source, not the site.


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