Specify the number of days before the Optimizely Web Experimentation visitor cookies will be set to expire.
Syntax
window["optimizely"].push(cookieExpiration);
Parameters
| Parameter and Type | Child Attribute | Description |
|---|---|---|
| cookieExpiration CookieExpirationObject | N/A | An object with the type field set to cookieExpiration. The other fields are the function arguments. Required. |
| type object | Child attribute of type CookieDomainObject | The argument indicating that you are using the cookieExpiration function. Required. |
| cookieExpirationDays integer | Child attribute of type CookieDomainObject | The cookie expiration defined in days. |
Example Call
window["optimizely"].push({
"type": "cookieExpiration",
"cookieExpirationDays": 365
});
Description
Specify the number of days before the Optimizely Web Experimentation visitor cookies will be set to expire. You must call "setCookieExpiration" prior to loading the Optimizely Web Experimentation snippet. The minimum number of days that can be set is 90 (approximately three months). For more information on how Optimizely Web Experimentation uses cookies, read our article on Cookies and localStorage in the Optimizely Web Experimentation snippet.
Note
Some Optimizely Web Experimentation cookies are reset every time a visitor comes to the site, which means the expiration period set with this API call is used each time the cookie is set. You can also use the API to enable or disable the extend cookie lifetime function.