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- = cowboy_req:headers(3)
- == Name
- cowboy_req:headers - HTTP headers
- == Description
- [source,erlang]
- ----
- headers(Req :: cowboy_req:req()) -> cowboy:http_headers()
- ----
- Return all request headers.
- Request headers can also be obtained using pattern matching:
- [source,erlang]
- ----
- #{headers := Headers} = Req.
- ----
- == Arguments
- Req::
- The Req object.
- == Return value
- Headers are returned as a map with keys being lowercase
- binary strings, and values as binary strings.
- == Changelog
- * *2.0*: Only the headers are returned, they are no longer wrapped in a tuple.
- * *1.0*: Function introduced.
- == Examples
- .Get all headers
- [source,erlang]
- ----
- Headers = cowboy_req:headers(Req).
- ----
- == See also
- link:man:cowboy_req(3)[cowboy_req(3)],
- link:man:cowboy_req:header(3)[cowboy_req:header(3)],
- link:man:cowboy_req:parse_header(3)[cowboy_req:parse_header(3)]
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