gistfile1.txt

//Add this package meteor add matb33:collection-hooks

//Create a new file in /server/hooks.js
Meteor.startup(function(){
  Thread.models.Contacts.model.after.update((userId, doc) => {
        console.log('doc: ' , doc);
        Meteor.users.update({
            _id : doc.userId,
            profile.userChangedName: false
        },{
          $set:{
            "profile.firstName" : doc.firstName,
              "profile.lastName": doc.lastName
          }
        });
    });
});

//server/lib/account.js
//Add this field to new user, we also need to migrate the current database
user.userChangedName = false;