form.handlebars

{{input class="form-control col-lg-8"  value=address}}
{{input class="form-control col-lg-8"  value=domain}}
{{input class="form-control col-lg-8"  value=destination}}

model.coffee

App.Url = DS.Model.extend Ember.Validations.Mixin,
  address: DS.attr 'string'
  destination: DS.attr 'string'
  webmaster: DS.belongsTo 'webmaster'
  url_type: DS.belongsTo 'url_type'

##

route.coffee

App.UrlNewRoute = Ember.Route.extend
  actions:
    save: ->
      controller = @get('controller')
      # webmaster url_type
      url = @store.createRecord 'url', controller.getProperties('address destination domain'.w())