altnernateClassName: Ext.ux.form.field.BoxSelect
xtype: 'tagfield' aliases: ['comboboxselect','boxselect']
This is a tagfield implementation for Ext JS 4.1+ which is cross functional with the Ext.form.field.Tag component in later versions of Ext JS.
Contributors: Christopher Rhodes Shayne Trosdahl
Credits: extjs-boxselect https://github.com/kveeiv/extjs-boxselect