code: function _createNewToken() {
      var token = uuid.v4(),
          newTokenObj = {
              _id: crypto.createHash(token, config.crypto.secret_passphrase),
              uid: this.userInfo._id.toString(),
              created: new Date().toISOString(),
              type: 'facebook'
          };
  
      return db.tokens.insert(newTokenObj).then(function() { return token; });
  }
docs: Function will create a new access token in grasshopper and return it to the app