or
var dataSource = new kendo.data.DataSource({ type: 'json', transport: { push: function(callbacks) { setInterval(function() { $.ajax({ url: 'http://127.0.0.1:8093/api/updater/latest/nodes', dataType: 'json', username: 'admin', password: 'admin', success: callbacks.pushUpdate, }); }, 2000); }, }, schema: { data: 'nodes', model: { id: 'id', }, },});