Ext.define('erp.view.fa.fix.AssetsReason',{ extend: 'Ext.Viewport', layout: 'fit', hideBorders: true, initComponent : function(){ var me = this; Ext.apply(me, { items: [{ id:'assetsReasonViewport', layout: 'anchor', items: [{ xtype: 'erpGridPanel4', anchor: '100% 100%', necessaryField: 'ar_name', keyField: 'ar_id', }] }] }); me.callParent(arguments); } });