BX.setCookie

result_type
BX.setCookie(
 name,
 value,
 array options
);

Sets up a cookie.

Parameter	Description
name	Name
value	Value (string)
options	Keys expires - main, indicated in seconds (the period after which the cookie record will be deleted). If any negative number is specified, the record will be deleted instantaneously. path - path to the site domains for which this cookie record will be functioning. secure - if passed true, the cookie will function only at the https site.

Setting up a cookie for 24 hours:

BX.setCookie('test', '123456', {expires: 86400});