> ## Documentation Index
> Fetch the complete documentation index at: https://docs.remark.ai/llms.txt
> Use this file to discover all available pages before exploring further.
# Remark SDK Documentation
> Complete guide to implementing and customizing Remark's expert chat widget
## Welcome to Remark SDK
Remark's SDK enables you to integrate expert chat functionality into your website, providing your customers with real-time access to knowledgeable experts who can help them make informed purchasing decisions.
Get up and running with Remark in minutes. Add the script tag and start tracking customer events.
## Key Features
Add Remark to your site with a single script tag. No complex setup required.
Track product views, cart additions, and purchases to give experts context.
Programmatically open, close, and customize the chat widget behavior.
Listen to user interactions and create custom integrations.
## Customization
Customize the widget's appearance to match your brand using CSS variables and Shadow DOM parts.
## Implementation Examples
Add the Remark script directly to your page template's ``.
```html theme={null}
```
Track when customers view products to give experts context:
```javascript theme={null}
window.remark('track', {
type: 'ProductPageView',
productId: 'your-product-id'
});
```
Open the chat widget with custom options:
```javascript theme={null}
window.remark('open', {
from: 'product-page',
message: 'I need help with this product',
mode: 'send'
});
```
## What's Next?
Learn how to add Remark to your website and set up tracking.
Customize the widget's appearance to match your brand.
Explore advanced features like event handling and widget control.
**Need help?** Check out our [implementation examples](/sdk/getting-started) or contact our support team.