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  1. Create a project sample-builtin-console.
  2. Then create a JavaScript service named console-log.js.
  3. Within the service code, enter the following content:
// Info"Info message.");
// Error
console.error("Error message.");
// Warning
console.warn("Warning message.");

// Arguments
var firstName = "John";
var lastName = "Smith";
console.log(`First name: ${firstName}, last name: ${lastName}`);

For more information, see the API documentation.