Create a page


define('MY_CUSTOM_MENU_LINK', 'custom-page');

/**
 * Implements hook_menu().
 */
function MYMODULE_menu() {
  $items = array();

  $items[MY_CUSTOM_MENU_LINK] = array(
    'title' => 'Custom page',
    'description' => 'Just a custom example page',
    'page callback' => '_custom_page_callback',
    'access arguments' => array('view custom page'),
  );

  return $items;
}

/**
 * Implements hook_permission().
 */
function MYMODULE_permission() {
   return array(
    'view custom page' => array(
      'title' => t('View custom page'), 
      'description' => t('People with this permission can view the custom page'),
    ),
  );
}

/**
 * Custom page menu callback.
 */
function _custom_page_callback() {
  return 'Page';
}