Hello, Park
Episode 2: Your First Plugin

• 1Open your text editor and create a new file.
• 2Type the code below exactly.
• 3Save it inside your plugin folder as hello.js. Make sure it is not hello.js.txt.

function main() {
  console.log("Hello park! My first plugin is running.");
}

registerPlugin({
  name: "Hello Park",
  version: "1.0",
  authors: ["Your Name"],
  type: "local",
  main: main
});

• 1OpenRCT2 gives you events you can listen to, like interval.day.
• 2context.subscribe attaches your code to an event.
• 3park.postMessage shows a message in the game, like a park announcement.

function main() {
  context.subscribe("interval.day", function () {
    park.postMessage("A new day dawns in your park!");
  });
}

registerPlugin({
  name: "Daily Greeting",
  version: "1.0",
  authors: ["Your Name"],
  type: "local",
  main: main
});

• 1Open the Plugin Manager from the developer tools. Your plugin should be listed.
• 2Open the game console and find your printed message.
• 3If it is missing: check the file is in the plugin folder and ends in .js (not .txt).
• 4Fix any missing bracket or quote and save again.

• 1Change the name to something with your own style.
• 2Change the message to greet your park by its name.
• 3Save, reload, and watch it appear.