text: Ext.define('KitchenSink.model.tree.Task', {
      extend: 'Ext.data.Model',
      fields: [{
          name: 'task',
          type: 'string'
      }, {
          name: 'user',
          type: 'string'
      }, {
          name: 'duration',
          type: 'float'
      }, {
          name: 'done',
          type: 'boolean'
      }]
  }); 