[
        {"keyName": "reg_name",              "sourceTable": "hdb_program_registration", "sourceColumn": "full_name",              "dataType": "string", "isCommon": false, "isNullable": false},
        {"keyName": "program_name",          "sourceTable": "computed", "sourceColumn": "getProgramField:name",      "dataType": "string", "isCommon": false, "isNullable": false},
        {"keyName": "session_days_and_time", "sourceTable": "computed", "sourceColumn": "getSessionDaysAndTime",     "dataType": "string", "isCommon": false, "isNullable": true},
        {"keyName": "session_date",          "sourceTable": "computed", "sourceColumn": "formatSessionDateRange",    "dataType": "string", "isCommon": true,  "isNullable": true},
        {"keyName": "portal_join_link",      "sourceTable": "computed", "sourceColumn": "getPortalSessionJoinLink",  "dataType": "string", "isCommon": true,  "isNullable": true, "defaultValue": ""}
    ]