> Portal Navigation:
> 
> - Append `.md` to any URL under `https://dev.wix.com/docs/` to get its markdown version.
> - Pages are either content pages (article or reference text) or menu pages (a list of links to child pages).
> - To get a menu page, truncate any URL to a parent path and append `.md` (e.g. `https://dev.wix.com/docs/sdk.md`, `https://dev.wix.com/docs/sdk/core-modules.md`).
> - If a reference page seems to be missing its schema (parameters, return types, or type definitions), append `?schema=true` to its `.md` URL (e.g. `https://dev.wix.com/docs/contexts/contexts/stores/category-info/use-category-info-context.md?schema=true`).
> - Top-level index of all portals: https://dev.wix.com/docs/llms.txt
> - Full concatenated docs: https://dev.wix.com/docs/llms-full.txt

## Resource: preview

## Article: preview

## Article Link: https://dev.wix.com/docs/wix-cli/legacy-clis/legacy-wix-cli-for-apps/command-reference/project-commands/preview.md

## Article Content:

# wix app preview

<blockquote class="warning">

**Deprecated**

The Legacy Wix CLI for Apps is deprecated and no longer receives updates or new features. New projects should use the [Wix CLI for Apps](https://dev.wix.com/docs/wix-cli/cli-for-apps/about-the-wix-cli-for-apps.md).

- To find out which structure a project uses, see [Determine Which CLI Your Project Uses](https://dev.wix.com/docs/build-apps/develop-your-app/develop-an-app-with-the-cli/project-development/determine-which-cli-your-project-uses.md).
- To migrate an existing app to the new Wix CLI, see [Migrate a Legacy CLI App to the New Wix CLI](https://dev.wix.com/docs/build-apps/develop-your-app/develop-an-app-with-the-cli/migrate-an-app-to-the-new-cli/migrate-an-app-from-the-legacy-cli/migrate-a-legacy-cli-app-to-the-new-wix-cli.md).

</blockquote>

Creates an online preview of your built app and provides an inline link to an app preview URL in the console.

An app preview URL is a URL you can share with team members who are [collaborators](https://support.wix.com/en/article/inviting-people-to-contribute-to-your-site) on your development site. It directs to a dashboard page where they can preview and test your app.

By default, the code for your app preview is hosted on Wix's servers.

## Usage

```bash
wix app preview [flags]
```

## Flags

The following flags are available for the `wix app preview` command:

| Flag | Alias | Description |
| ---- | ----- | ----------- |
| `--site <site-id>` | `-s <site-id>` | Sets the site used for app preview URLs. If you don't provide this flag, the site ID defaults to the currently selected development site.<br><br>You can get the ID of a site from the site URL in your browser. For example, the site ID appears after the `/dashboard/` part of this URL:<br><br>![Site ID](https://wixmp-833713b177cebf373f611808.wixmp.com/images/b291ed33b6aa3d5c3146c8ffc9efea61.png) |
| `--base-url <url>` | | Sets the base URL for uploading your static files to an external CDN. If you don't provide this flag, the code for your preview is hosted on Wix's servers. |