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= cowboy_req:host_info(3)
== Name
cowboy_req:host_info - Access the route's heading host segments
== Description
[source,erlang]
----
host_info(Req :: cowboy_req:req()) -> cowboy_router:tokens()
----
Return the tokens for the heading host segments.
This is the part of the host name that was matched using
the `...` notation.
== Arguments
Req::
The Req object.
== Return value
The tokens are returned as a list of case insensitive
binary strings.
== Changelog
* *2.0*: Only the tokens are returned, they are no longer wrapped in a tuple.
* *1.0*: Function introduced.
== Examples
.Get the host_info tokens
[source,erlang]
----
HostInfo = cowboy_req:host_info(Req).
----
== See also
link:man:cowboy_req(3)[cowboy_req(3)],
link:man:cowboy_req:binding(3)[cowboy_req:binding(3)],
link:man:cowboy_req:bindings(3)[cowboy_req:bindings(3)],
link:man:cowboy_req:path_info(3)[cowboy_req:path_info(3)]
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