= gun_data(3)
== Name
gun_data - Response body
== Description
[source,erlang]
----
{gun_data, ConnPid, StreamRef, IsFin, Data}
ConnPid :: pid()
StreamRef :: reference()
IsFin :: fin | nofin
Data :: binary()
----
Response body.
This message informs the relevant process that the server
sent a all or part of the body for the response to the
original request.
A data message is always preceded by a response message.
The response body may be terminated either by a data
message with the flag `fin` set or by a
link:man:gun_trailers(3)[gun_trailers(3)] message.
== Elements
ConnPid::
The pid of the Gun connection process.
StreamRef::
Identifier of the stream for the original request.
IsFin::
Whether this message terminates the response.
Data::
All or part of the response body.
== Changelog
* *1.0*: Message introduced.
== Examples
.Receive a gun_data message in a gen_server
[source,erlang]
----
handle_info({gun_data, ConnPid, _StreamRef,
_IsFin, _Data},
State=#state{conn_pid=ConnPid}) ->
%% Do something.
{noreply, State}.
----
== See also
link:man:gun(3)[gun(3)],
link:man:gun:get(3)[gun:get(3)],
link:man:gun:head(3)[gun:head(3)],
link:man:gun:patch(3)[gun:patch(3)],
link:man:gun:post(3)[gun:post(3)],
link:man:gun:put(3)[gun:put(3)],
link:man:gun:delete(3)[gun:delete(3)],
link:man:gun:options(3)[gun:options(3)],
link:man:gun:headers(3)[gun:headers(3)],
link:man:gun:request(3)[gun:request(3)],
link:man:gun_response(3)[gun_response(3)],
link:man:gun_trailers(3)[gun_trailers(3)]
