input: [Preset duration] Two years from the configuration or update. [Description] Used to store custom variables on the visitor. This cookie is created when a programmer uses the _setCustomVar method with a personalized visitor variable. It was also used in the obsolete _setVar method. The cookie is updated whenever data are sent to Google Analytics. [Cookie name] 
output: __utmv
options: _ _ u t m a
options: _ _ u t m b
options: _ _ u t m c
options: _ _ u t m z
options: _ _ u t m v
options: _ _ g a