{ 
	identifier: 'id',
	label: 'name',
	items: [
		{ id: '0', name:'Fruits', numberOfItems:1, children:[
			{ id: '1',name:'Citrus', numberOfItems:1, items:[
				{ id: '4', name:'Orange'}
			]}
		]},
		{ id: '2', name:'Vegetables', numberOfItems:0},
		{ id: '3', name:'Cereals', numberOfItems:0}
	]
}