import Users from 'meteor/vulcan:users'; const membersActions = [ 'posts.upvote', 'posts.cancelUpvote', 'posts.downvote', 'posts.cancelDownvote', 'comments.upvote', 'comments.cancelUpvote', 'comments.downvote', 'comments.cancelDownvote' ]; Users.groups.members.can(membersActions);