Angular - Handsontable Autocomplete

HTML

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.3.14/angular.min.js"></script>
<script src="http://handsontable.github.io/ngHandsontable/bower_components/handsontable/dist/handsontable.full.js"></script>
<script src="http://handsontable.github.io/ngHandsontable/dist/ngHandsontable.js"></script>
<link rel="stylesheet" href="http://handsontable.github.io/handsontable/dist/handsontable.full.css">
<div ng-app="myApp">
<div ng-controller="homeController as homeCtrl">
    <hot-table
      hot-id="myTable"
      settings="homeCtrl.htSettings"
      row-headers="true"
      min-spare-rows="1"
      datarows="homeCtrl.data"
      height="300"
      width="700">
        <hot-column data="Category" title="'Category'" type="'autocomplete'"></hot-column>
        <hot-column data="other1" title="'Other 1'" type="'text'"></hot-column>
        <hot-column data="other2" title="'Other 2'" type="'text'"></hot-column>
    </hot-table>
</div>
</div>

JavaScript

/* Application */
var myApp = angular.module('myApp', ['ngHandsontable']);

myApp.controller('homeController', function ($scope, categoryService, hotRegisterer) {
    
    // Define view model
    var vm = this;
    
    // HandsonTables settings
    vm.htSettings = { contextMenu: ['row_above', 'row_below', 'remove_row'] };
    
    vm.data=[{}];
    vm.autocompleteData=[{}];
    
    vm.getAutocompleteData = function(){ 
        categoryService.getAll().then(function(data) {
          var hot = hotRegisterer.getInstance('myTable');
          var columns = hot.getSettings().columns;

          // Change source type at first column
          columns[0].source = data.map(function(item) {
            return item.Description;
          });

          hot.updateSettings({columns: columns});
    	});
    };
    
    vm.getAutocompleteData();
});

myApp.service('categoryService', ['$http', function($http) {
    return {
        getAll: function () {
            return $http.get('http://neltic.apphb.com/Api/CategoryTypes').then(function(response) { return response.data; });
        }
    }
}]);