= cowboy_req:qs(3) == Name cowboy_req:qs - URI query string == Description [source,erlang] ---- qs(Req :: cowboy_req:req()) -> Qs :: binary() ---- Return the query string of the effective request URI. The query string can also be obtained using pattern matching: [source,erlang] ---- #{qs := Qs} = Req. ---- == Arguments Req:: The Req object. == Return value The query string is returned as a binary string. It is case sensitive. == Changelog * *2.0*: Only the query string is returned, it is no longer wrapped in a tuple. * *1.0*: Function introduced. == Examples .Get the effective request URI's query string [source,erlang] ---- Qs = cowboy_req:qs(Req). ---- == See also link:man:cowboy_req(3)[cowboy_req(3)], link:man:cowboy_req:parse_qs(3)[cowboy_req:parse_qs(3)], link:man:cowboy_req:match_qs(3)[cowboy_req:match_qs(3)]