var UserSchema = new mongoose.Schema({
    username: {type: String, unique: true, required: true},
    name: {type: String, required: true},
    email: {type: String, unique: true, required: true},
    password: String,
    studio: {type: String, required: true},
    comments: [
      {
        quantity: String,
        received: { type: Date, default: Date.now },
        collected: { type: String, default: "At Reception" }
  }
],
    isAdmin: {type: Boolean, default: false}
    });

<% for(var i=0; i < users.length; i++) { %>
   <tr>
     <td><%= users[i].studio %></td>
     <td><%= users[i].name %></td>
     <td><%= users[i].email %></td>
     <td><%= users[i].comments %></td>
    <% } %>

{ received: 2017-12-13T08:51:14.914Z, collected: 'At Reception', quantity: '5', _id: 5a30ea0253432220138b4b89 }