> ## Documentation Index
> Fetch the complete documentation index at: https://docs.streamnative.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Produce Messages

If you are using a Mac, please export the following environment variable:

```bash theme={null}
export LDFLAGS="-L/opt/homebrew/opt/openssl@3/lib"
export CPPFLAGS="-I/opt/homebrew/opt/openssl@3/include"
```

Build and make the producer executable by running the following command:

```bash theme={null}
make producer
./producer
```

You should see output resembling this:

```bash theme={null}
** Message: 20:20:47.435: Produced event to topic purchases: key =       jsmith value =  alarm clock
** Message: 20:20:47.439: Produced event to topic purchases: key =     jbernard value =         book
** Message: 20:20:47.439: Produced event to topic purchases: key =     awalther value =         book
** Message: 20:20:47.439: Produced event to topic purchases: key =      htanaka value =     t-shirts
** Message: 20:20:47.439: Produced event to topic purchases: key =     jbernard value =  alarm clock
** Message: 20:20:47.439: Produced event to topic purchases: key =      sgarcia value =     t-shirts
** Message: 20:20:47.439: Produced event to topic purchases: key =      sgarcia value =    batteries
** Message: 20:20:47.439: Produced event to topic purchases: key =     awalther value =  alarm clock
** Message: 20:20:47.439: Produced event to topic purchases: key =       eabara value =  alarm clock
** Message: 20:20:47.439: Produced event to topic purchases: key =      htanaka value =  alarm clock
** Message: 20:20:47.439: Flushing final messages..
** Message: 20:20:49.032: 10 events were produced to topic purchases.
```