List an employee employment statuses

{  "data": [    {      "id": 0,      "effective_on": "2019-08-24",      "employment_type": {        "id": 0,        "name": "string"      },      "probation_policy": {        "id": 0,        "name": "string"      },      "working_pattern": {        "id": 0,        "name": "string"      },      "comment": "string",      "created_at": "2019-08-24T14:15:22Z",      "updated_at": "2019-08-24T14:15:22Z"    }  ]}