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# LrJposChannel.send

Sends a message over the channel.

`public static void send(LrISOMsg message) throws IOException, ISOException, LrISOException`

`public static void send(byte[] bytes) throws IOException, ISOException`

## Parameters

Parameter | Description
--- | ---
message | The LrISOMsg instance to send through the channel. This is a high-level send: The function converts the message according to the packager, and sets headers and message length according to the channel.
bytes | Array of bytes to send through the channel. This is a low-level send: Just the bytes are sent over the connection.

## Return values

This function does not return any values.

## Example

Copy code

    public void simpleISOtest() throws Throwable{

            GenericPackager packager = new GenericPackager(PACKAGERCONFIGFILE);
            LrJposChannel.initChannel(LrJposChannel.ChannelType.ASCIIChannel, "localhost", 8000, packager);

            LrJposChannel.connect();

            LrISOMsg m = new LrISOMsg();
            m.setMTI("0100");
            m.set(ISO87Fields.PAN_PRIMARY_ACCOUNT_NUMBER, "1234567890000000000");
            m.set(3, "523456");
            m.set(4, "123456789121");
            m.set(12, "20241605108110"); //Date and time - n-14, CCYYMMDDhhmmss
            m.set(47, "32432");

            LrJposChannel.send(m);

            LrISOMsg r = LrJposChannel.receive();
            if (r!=null) {
                lr.output_message(r.getMTI());
            }

            LrJposChannel.disconnect();
            LrJposChannel.closeChannel();
     }

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