{
    "commissionId": 1,
    "period": {
        "periodDescription": "just period Description",
        "startDate": "2014-12-19T15:13:40+03:00",
        "endDate": "2015-12-19T15:13:40+03:00",
        "periodType": {
            "periodTypeId": 1,
            "periodTypeDescription": "Yearly"
        }
    },
    "paidRankDescription": "just paid Rank Description",
    "commissionsAmount": 11,
    "currencyCode": "USD"
}

this.commissionsTable = new MdlDefaultTableModel(
  [
    { key: 'commissionId', name: 'Commission' },
    **{ key: 'period.periodDescription', name: 'Period's description' },**
    **{ key: 'period.startDate', name: 'Period's start date' },**
    **{ key: 'period.endDate', name: 'Period's end date' },**
    { key: 'paidRankDescription', name: 'Paid rank description' },
    { key: 'commissionsAmount', name: 'Commissions amount' },
  ]
);