UAS2.0_DEV_TEST/app/view/form/imgfield/Panel.js

Ext.define('uas.view.form.imgfield.Panel', {
    extend: 'Ext.form.Panel',
    xtype: 'form-imgfield',
    requires:[
        'Ext.ux.form.field.ImgField'
    ],

    bodyPadding: 12,

    items: [{
        xtype: 'imgfield',
        value: 'jztnl975x6tqwjxnra;'
    }]
});