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= 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)]
|
