Vulcan/packages/nova-comments/lib/notifications.js

Comments.getNotificationProperties = function (comment, post) {
  var commentAuthor = Meteor.users.findOne(comment.userId);
  var properties = {
    profileUrl: commentAuthor && commentAuthor.getProfileUrl(true),
    postUrl: Posts.getPageUrl(post, true),
    authorName : Comments.getAuthorName(comment),
    postTitle: post.title,
    htmlBody: comment.htmlBody,
    commentUrl: Comments.getPageUrl(comment, true)
  };
  return properties;
};

// Telescope.notifications = Object.assign(Telescope.notifications, {
//   newComment: {
//     properties(data) {
//       return Comments.getNotificationProperties(data.comment, data.post);
//     },
//     subject(properties) {
//       return properties.authorName+' left a new comment on your post "' + properties.postTitle + '"';
//     },
//     emailTemplate: "newComment"
//   },

//   newReply: {
//     properties(data) {
//       return Comments.getNotificationProperties(data.comment, data.post);
//     },
//     subject(properties) {
//       return properties.authorName+' replied to your comment on "'+properties.postTitle+'"';
//     },
//     emailTemplate: "newReply"
//   },

//   newCommentSubscribed: {
//     properties(data) {
//       return Comments.getNotificationProperties(data.comment, data.post);
//     },
//     subject(properties) {
//       return properties.authorName+' left a new comment on "' + properties.postTitle + '"';
//     },
//     emailTemplate: "newComment"
//   }
// });