# Looker Extension

An API that may be used by Looker extensions to request services from a Looker host. A
Looker extension (client) is code that code that runs inside of a sandboxed IFRAME and that is
mounted in the Looker UI (host). The extension client may request that the Looker host perform
some functionality provided the extension has permission to do so.

## Basic use

## Getting started

## Repository layout

## NPM commands

## Extension development considerations

### React