D728: Task-24 Define a custom template for module output

lotus-template.html.twig

<p> This is the lotus template with a value of {{ test_var }} </p>

lotus.module

/**
* Implements hook_theme() to add the template definition. 
**/
function lotus_theme($existing, $type, $theme, $path) {
  return array(
    'lotus_template' => array(
      'variables' => array('test_var' => NULL),
    ),
  );
}

LotusController.php

/**
 * @file
 * Contains \Drupal\lotus\Controller\LotusController.
 */
 
namespace Drupal\lotus\Controller;
 
use Drupal\Core\Controller\ControllerBase;
 
class LotusController extends ControllerBase {
  public function content() {
 
    return array(
      '#theme' => 'lotus_template',
      '#test_var' => $this->t('Test Value'),
    );
  }
}