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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)]
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