Filtering Array - Ember.js

controller.js

App.HostController = Ember.Controller.extend({
    noTemplates: function(){       
        return this.get('model').get('vms').filterProperty('template', false);
    }.property('model.vms')
});

model.js

App.Server = DS.Model.extend({  
    ...
    vms: DS.hasMany('App.VM')
});

App.VM = DS.Model.extend({
    template: DS.attr('boolean'),
    host: DS.belongsTo('App.Server')
    ...
});

router.js

App.HostRoute = Ember.Route.extend({
    model: function(params) {
        return App.Server.find(params.host_id);
    }
});

template.hbs

{{#each vm in controller.noTemplates}}
  {{{vm.name}}
{{/each}}