---
title: "backingInstance Plugin"
description: "Access the actual JSTag instance behind the singleton facade"
url: "https://www.contentstack.com/docs/lytics/jstag-plugin-backing-instance"
product: "Contentstack"
doc_type: "guide"
audience:
  - developers
  - admins
version: "current"
last_updated: "2026-08-03"
---

# backingInstance Plugin

Access the actual JSTag instance behind the singleton facade

## \`backingInstance\` plugin

Access the actual JSTag instance behind the singleton facade.

This plugin is only available in development mode.

Backing Instance

debugging utility

development only

### Plugin API

#### backingInstance(): JSTag

Access the backing instance.

```
console.log(jstag); // The singleton facade
console.log(jstag.backingInstance()) // The actual JSTag instance
```