[
    {"keyName": "coordinator_name", "sourceTable": "context", "sourceColumn": "perRecipient:coordinatorInfo", "dataType": "string", "isNullable": false, "isPerRecipient": true},
    {"keyName": "reg_name", "sourceTable": "hdb_program_registration", "sourceColumn": "full_name", "dataType": "string", "isNullable": false},
    {"keyName": "reg_id", "sourceTable": "hdb_program_registration", "sourceColumn": "id", "dataType": "number", "isNullable": false},
    {"keyName": "rm_name", "sourceTable": "computed", "sourceColumn": "getRmContactUserName", "dataType": "string", "isNullable": false}
]