{
"customHandler": "string",
"file": "string",
"headerRows": 1,
"ignoreEmpty": true,
"importFieldDTOList": [
{
"defaultValue": null,
"fieldName": "string",
"header": "string",
"required": true
}
],
"importRule": "CreateOrUpdate",
"modelName": "string",
"skipException": true,
"syncImport": true,
"uniqueConstraints": "string"
}