dvf-2.x-dev/dvf_json/dvf_json.module

<?php

/**
 * @file
 * JSON Data Visualisation module.
 */

use Drupal\Core\Routing\RouteMatchInterface;

/**
 * Implements hook_help().
 */
function dvf_json_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    case 'help.page.dvf_json':
      $output = '<p>' . t('The <a href=":dvf_json_url">JSON Data Visualisation</a> module integrates with the Data Visualisation Framework module providing JSON support.', [':dvf_json_url' => 'https://github.com/govCMS/dvf']) . '</p>';
      return $output;
  }
}