[
    {"keyName": "reg_name", "sourceTable": "hdb_program_registration", "sourceColumn": "full_name", "dataType": "string", "isNullable": false},
    {"keyName": "hdb_msd_no", "sourceTable": "computed", "sourceColumn": "getAllocatedProgramField:name", "dataType": "string", "isNullable": false},
    {"keyName": "hdb_msd_date", "sourceTable": "computed", "sourceColumn": "formatProgramDateRange", "dataType": "string", "formatType": "custom:DD-MM-YYYY", "isNullable": false},
    {"keyName": "billing_edit_link", "sourceTable": "computed", "sourceColumn": "generatePaymentLink", "dataType": "string", "formatType": "url", "isNullable": false}
]