# Syntax and Semantics message Broccoli **URL:** \ **Category:** Zeek\ **Created:** [December 13, 2016, 10:50pm UTC](https://community.zeek.org/t/syntax-and-semantics-message-broccoli/4550 "2016-12-13T22:50:10Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![Alberto\_Ciolini](https://avatars.discourse-cdn.com/v4/letter/a/9e8a1a/32.png) [@Alberto\_Ciolini](https://community.zeek.org/u/Alberto_Ciolini)\ **Post date:** [December 13, 2016, 10:50pm UTC](https://community.zeek.org/t/syntax-and-semantics-message-broccoli/4550/1 "2016-12-13T22:50:10Z")
I have to develop a program, using Broccoli, that communicates with Bro which installed on raspberry pi. My question is if there is a standard for syntax and semantics for message that Broccoli and Bro send each other. How messages are sent from broccoli to bro? ---
**Author:** ![johanna](https://avatars.discourse-cdn.com/v4/letter/j/50afbb/32.png) [@johanna](https://community.zeek.org/u/johanna)\ **Post date:** [January 3, 2017, 10:35am UTC](https://community.zeek.org/t/syntax-and-semantics-message-broccoli/4550/2 "2017-01-03T10:35:19Z")
Hi Alberto, the messages that are exchanged are basically Bro events. So you can send/receive any kind of data that you can usually send/receive in Bro events (with a small number of exceptions that you will probably not care about - I don't think that broccoli supports opaques, e.g.). The best way get started at this is probably to look at the test folder in broccoli, which has a few C programs and Bro scripts that exchange data. Note that there also is a newer communication library (named Broker) that can be used to do basically the same job - the API is not quite finished yet though, but at some point of time you might have to port things over to it. Johanna ---
**Author:** ![system](https://canada1.discourse-cdn.com/flex011/uploads/zeek/original/1X/f09d732bc2cc7c7cc7e35db67cf4e1d5233ce7a7.png) [@system](https://community.zeek.org/u/system)\ **Post date:** [May 6, 2022, 3:44pm UTC](https://community.zeek.org/t/syntax-and-semantics-message-broccoli/4550/3 "2022-05-06T15:44:24Z")
Closed on May 6, 2022, 3:44pm UTC