text: import Users from 'meteor/vulcan:users';
  
  const guestsActions = [
    "categories.view.all"
  ];
  Users.groups.guests.can(guestsActions);
  
  const membersActions = [
    "categories.view.all"
  ];
  Users.groups.members.can(membersActions);
  
  const adminActions = [
    "categories.view.all",
    "categories.new",
    "categories.edit.all",
    "categories.remove.all"
  ];
  Users.groups.admins.can(adminActions);
  