meteor__microscope/server/publications.js

Meteor.publish('posts', function() {
  return Posts.find();
});

Meteor.publish('comments', function(postId) {
  check(postId, String);
  return Comments.find({
    postId: postId
  });
});

Meteor.publish('notifications', function () {
  return Notifications.find({
    userId: this.userId,
    read: false
  });
});