$scope.users =  [
          {
            "firstName":"john",
            "middleName":null,
            "lastName":"doe",
            "registrationNumber":"334"
          },
          {
            "firstName":"paul",
            "middleName":null,
            "lastName":"dean",
            "registrationNumber":"223"
          },
          {
            "firstName":"andrew",
            "middleName":null,
            "lastName":"mac",
            "registrationNumber":"132"
          }
      ]

[
        {
          name: "john doe",
            value: {
              registration: 334,
              last: "doe",
              first: "john"
            }
        }
      ]

var list = [
          {
            name: $scope.users[0].firstName + ' ' + $scope.users[0].lastName,
              value: {
                registration: $scope.users[0].registrationNumber,
                first: $scope.users[0].firstName,
                last: $scope.users[0].lastName
              }
          }
      ];