{
  "operationId": "updateInvoiceAttachmentByFileName",
  "method": "POST",
  "path": "/Invoices/{InvoiceID}/Attachments/{FileName}",
  "summary": "Xero Updates an attachment from a specific invoices or purchase bill by filename",
  "requestExamples": [],
  "responseExamples": [
    {
      "status": "200",
      "contentType": "application/json",
      "example": {
        "Id": "acd7d618-5fef-4d45-849c-a339ea31a973",
        "Status": "OK",
        "ProviderName": "Provider Name Example",
        "DateTimeUTC": "/Date(1552330524005)/",
        "Attachments": [
          {
            "AttachmentID": "08085449-fda3-45f4-a685-ff44c8a29ee3",
            "FileName": "HelloWorld.jpg",
            "Url": "https://api.xero.com/api.xro/2.0/Invoices/4074292c-09b3-456d-84e7-add864c6c39b/Attachments/HelloWorld.jpg",
            "MimeType": "image/jpg",
            "ContentLength": 2878711
          }
        ]
      }
    }
  ]
}