qs(Req :: cowboy_req:req()) -> Qs :: binary()
cowboy_req:qs - URI query string
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:
#{qs := Qs} = Req.
The Req object.
The query string is returned as a binary string. It is case sensitive.
Qs = cowboy_req:qs(Req).
cowboy_req(3), cowboy_req:parse_qs(3), cowboy_req:match_qs(3)