The following example adds a user,but did not add in the two shared groups like finanace and support given below http request

is it correct http request or not ? and

http://localhost:9090/plugins/userService/userservice?type=add&secret=mdXx0js0&u sername=abc&password=drowssap&name=franz&email=franz@abc.com&groups=support,fina nce

Please help me