gistfile1.js

var keystone = require('keystone'),
Types = keystone.Field.Types;

var Category = new keystone.List('Category',{
	map: { name: 'title' },
	searchFields:'parent',
});

Category.add({
	title: { type: String, required: true},
	fqId: { type: String, index:true },
	parent: { type: Types.Relationship, ref: 'Category'},
	
});

Category.defaultColumns = 'title, fqId, parent';
Category.register();