Instruct Optimizely Web Experimentation to set its cookies on a specific subdomain instead of the default domain. You must call setCookieDomain prior to loading the Optimizely snippet. By default, Optimizely sets its cookies on the domain to work across subdomains.

Syntax

window["optimizely"].push(cookieDomain);

Parameters

Parameter and Type	Child Attribute	Description
cookieDomain CookieDomainObject	N/A	An object with the `type` field set to `cookieDomain`. The other fields are the function arguments. Required.
type string	Child attribute of type `CookieDomainObject`.	The argument indicating that you are using the `cookieExpiration` function. Required.
cookieDomain string	Child attribute of type `CookieDomainObject`.	The cookie domain.

Example Call

window["optimizely"].push({
  "type": "cookieDomain",
  "cookieDomain": "www.example.com"
});