Source: https://cli.nylas.com/docs/commands/demo-tui

# nylas demo tui

Interactive demo TUI.

Written by [Qasim Muhammad](https://cli.nylas.com/authors/qasim-muhammad) Staff SRE

Published February 13, 2026

Updated June 21, 2026

## What does nylas demo tui do?

The nylas demo tui command launches a k9s-style terminal demo with sample email, calendar, and contact data. Use it to explore navigation, themes, and core workflows without setup.

## Usage

```bash
nylas demo tui [resource] [flags]
```

## Flags

| Flag | Description |
| --- | --- |
| --json | Output as JSON |
| --no-color | Disable color output |
| --verbose(-v) | Enable verbose output |
| --config | Custom config file path |
| --help(-h) | Show help for the command |
| --limit | Limit results (most list commands) |
| --yes(-y) | Skip confirmations |
| --refresh | Refresh interval in seconds (default: 3) |
| --theme | Color theme: k9s, amber, green, apple2, vintage, ibm, futuristic, matrix, norton |

## Examples

The nylas demo tui command launches a k9s-style terminal demo with sample email, calendar, and contact data.

### Launch the demo dashboard

```bash
nylas demo tui
```

### Open the messages view directly

```bash
nylas demo tui messages
```

### Start the demo with the amber theme

```bash
nylas demo tui --theme amber
```

## Example output

```text
Launching demo TUI (no credentials required)...

  Sample emails, events, and contacts loaded.
  Navigate: j/k move, enter open, : command, / filter, ? help
  Press Ctrl+C to quit.
```

## Troubleshooting

### Demo TUI does not render correctly

Resize the terminal window or try a terminal that supports full-screen TUI applications, then launch the demo again.

## Related commands

[nylas airAI-powered email assistant. Opens an interactive REPL where you can draft, reply, search, and manage email with natural language.](https://cli.nylas.com/docs/commands/air)

[nylas completion bashGenerate shell completion script for bash, zsh, fish, or PowerShell.](https://cli.nylas.com/docs/commands/completion-bash)

[nylas completion fishGenerate Fish completion script](https://cli.nylas.com/docs/commands/completion-fish)

[nylas completion powershellGenerate PowerShell completion script.](https://cli.nylas.com/docs/commands/completion-powershell)

[nylas completion zshGenerate Zsh completion script](https://cli.nylas.com/docs/commands/completion-zsh)

[nylas config getGet a specific config value](https://cli.nylas.com/docs/commands/config-get)

Run `nylas demo tui --help` for full help output.