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= cowboy_req:resp_headers(3)
== Name
cowboy_req:resp_headers - Response headers
== Description
[source,erlang]
----
resp_headers(Req :: cowboy_req:req()) -> cowboy:http_headers()
----
Return all response headers.
== 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*: Function introduced.
== Examples
.Get all response headers
[source,erlang]
----
Headers = cowboy_req:resp_headers(Req).
----
== See also
link:man:cowboy_req(3)[cowboy_req(3)],
link:man:cowboy_req:resp_header(3)[cowboy_req:resp_header(3)],
link:man:cowboy_req:set_resp_header(3)[cowboy_req:set_resp_header(3)],
link:man:cowboy_req:set_resp_headers(3)[cowboy_req:set_resp_headers(3)]
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