width: 200,
              expander: true,
              html: true,
              events: {
                click({ data, column }) {
                  alert('description clicked!\n' + data.label);
                }
              }
            },
            {
              id: 3,
              label: 'Assigned to',
              value: 'user',
              width: 130,
              html: true
            },
            {
              id: 3,
              label: 'Start',
              value: task => dayjs