Morris.Donut({ element: 'graph', data: [ {value: 80, label: 'Canon mes'}, {value: 10, label: 'Administración'}, {value: 7, label: 'Acueducto'}, {value: 3, label: 'Internet'} ], formatter: function (x) { return x + "%"} }).on('click', function(i, row){ console.log(i, row); });