Template for drupal permissions.

hook_permission.php

/**
 * Implements hook_permission().
 */
function ZZMODULE_permission() {
  $perms = array();

  // Allow access to certain pages based on this permissions
  $perms['administer XX'] = array(
    'title' => t('Administer [ZZMODULE] settings'),
    'description' => t('Administer the settings of [ZZMODULE].')
    'restrict access' => FALSE
  );

  // Allow access to certain items for create, edit, delete.
  $perms['administer XX [items]'] = array(
    'title' => t('Administer [ZZMODULE] [items]'),
    'description' => t('Administer [items] of [ZZMODULE].')
    'restrict access' => FALSE
  );
  
  return $perms;
}