ChromeOptionsAddEncodedExtensions Method (String)WebDriver
Adds a list of base64-encoded strings representing Chrome extensions to the list of extensions to be installed in the instance of Chrome.

Namespace: OpenQA.Selenium.Chrome
Assembly: WebDriver (in WebDriver.dll) Version: 3.1.0
Syntax

public void AddEncodedExtensions(
	params string[] extensions
)

Parameters

extensions
Type: SystemString
An array of base64-encoded strings representing the extensions to add.
See Also

Reference