collection.js

/* ======== SCHEMA =======                                                                                                                                                                   
{                                                                                                                                                                                            
  _id: "507f1f77bcf86cd799439011",                                                                                                                                                                                                                                                                                                                            
  meta_information: {                                                                                                                                                                       
    general: {                                                                                                                                                                               
      field1: "Hello",                                                                                                                                                                           
      field2: "World",                                                                                                                                                                                                                                                                                                                                          
    },
    ...
  },
  ...                                                                                                                                                                                                                                                                                                                                       
}                                                                                                                                                                                            
*/   

Col = new Mongo.Collection('myCollection');
                                                                                                                                                                                
Rise.Replays.helpers({                                                                                                                                                                                                                                                                                                                                                              
  title: function() {     
    var meta = this.meta_information.general;                                                                                                                                                                   
    return meta.field1 + " " + meta.field2;                                                                                                                                                               
  }                                                                                                                                                                                          
});