All samples are using Ink.requireModules, please read how to use it at Ink.requireModules section

Ink.Util.Cookie_1 class

Functions
Function name Description
.get([name]) Gets an object with the current page cookies, or a specific cookie if you specify the name.
.remove(cookieName, [path], [domain]) Deletes a cookie.
.set(name, value, [expires], [path], [domain], [secure]) Sets a cookie.