# Using the `basic2` application ## Background The `basic2` application is a basic example app that demonstrates how to subscribe to and publish messages ## Preparation ``` make ``` ## Basic application usage To start the `basic2` application run the following from the project directory ``` ./build/basic2 ``` The app will send a "Hello world!" through the wakurelay protocol every 2 seconds and display it on the terminal as soon as it receives the message