POST api/SYSaveAttachment

{
  "IsNew": true,
  "Attachment": {
    "ATTACHMENT_ID": 1,
    "APPLICATION_CODE": "sample string 2",
    "SOURCE": "sample string 3",
    "REFERENCE1": "sample string 4",
    "REFERENCE2": "sample string 5",
    "REFERENCE3": "sample string 6",
    "DESCRIPTION": "sample string 7",
    "DATE": "2024-09-19T05:07:06.7996428-07:00",
    "ON_BEHALF": "sample string 8",
    "FILENAME": "sample string 9",
    "FILETYPE": "sample string 10",
    "FILESIZE": 1,
    "FILECONTENT": "QEBA",
    "INS_DATE": "2024-09-19T05:07:06.7996428-07:00",
    "INS_USER": "sample string 11",
    "UPD_DATE": "2024-09-19T05:07:06.7996428-07:00",
    "UPD_USER": "sample string 12"
  }
}

{
  "ApiResult": {
    "Success": true,
    "Warnings": true,
    "Description": "sample string 3",
    "WarningMessages": [
      "sample string 1",
      "sample string 2",
      "sample string 3"
    ],
    "NotificationErrorMessages": "sample string 4"
  }
}