chr package:webdriver

Default Chrome settings. All Maybe fields are set to Nothing, no options are specified, and no extensions are used.
Server-side path to Chrome binary. If Nothing, use a sensible system-based default.
Version of the Chrome Webdriver server server to use for more information on chromedriver see https://github.com/SeleniumHQ/selenium/wiki/ChromeDriver
Experimental options not yet exposed through a standard API.
A list of extensions to use.
A list of command-line options to pass to the Chrome binary.
An opaque type representing a Google Chrome extension. Values of this type are passed to the chromeExtensions field.