aboutsummaryrefslogtreecommitdiffstats
path: root/doc/src/manual/cowboy_req.resp_headers.asciidoc
blob: 804c0d0faefebf50f17796392171ef1663fd8671 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
= cowboy_req:resp_headers(3)

== Name

cowboy_req:resp_headers - Access HTTP headers set for the response

== Description

[source,erlang]
----
resp_headers(Req) -> cowboy:http_headers()

Req :: cowboy_req:req()
----

Return all HTTP 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.
If no response headers have been added the empty map is returned.

== 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:set_resp_headers(3)[cowboy_req:set_resp_headers(3)]