Params error.

var app = angular.module('plunker', []);

app.controller('MainCtrl', function($scope,$http) {
  $scope.name = 'World';
  
  function MyClass() {
    this.setMyField = function(value) {
      this.value = value;
    }
  }
  
  myClass = new MyClass();
  myClass.setMyField('a-value');
  
  var request = {
    method : 'GET',
    url : '/outerspace/',
    params : myClass
  };
  
  $http(request);
});

<!DOCTYPE html>
<html ng-app="plunker">

  <head>
    <meta charset="utf-8" />
    <title>AngularJS Plunker</title>
    <script>document.write('<base href="' + document.location + '" />');</script>
    <link rel="stylesheet" href="style.css" />
    <script data-require="angular.js@1.5.x" src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.5.11/angular.min.js" data-semver="1.5.11"></script>
    <script src="app.js"></script>
  </head>

  <body ng-controller="MainCtrl">
    <p>Hello {{name}}!</p>
  </body>

</html>

/* Put your css in here */