curl --request POST \
  --url https://app.ezzydoc.com/EzzyService.svc/Rest/addLearningRule \
  --header 'Content-Type: application/json' \
  --data '
{
  "invoiceNumber": {
    "type": 0,
    "keyword": "<string>",
    "position": 0
  },
  "extractDescription": {
    "type": 0,
    "keyword": "<string>",
    "position": 0
  },
  "learningSettings": {
    "OverideInvoiceClassification": "<string>",
    "CustomizeInvoiceRule": "<string>"
  },
  "supplierName": {
    "type": 0,
    "keyword": "<string>",
    "position": 0
  },
  "customerName": {
    "type": 0,
    "keyword": "<string>",
    "position": 0
  },
  "taxNumber": {
    "type": 0,
    "keyword": "<string>",
    "position": 0
  },
  "invoiceTotal": {
    "type": 0,
    "keyword": "<string>",
    "position": 0
  },
  "locale": {
    "value": 123,
    "specified": true
  },
  "aitask": {
    "value": 123,
    "specified": true
  },
  "workflow": {
    "value": "<string>",
    "specified": true
  },
  "docSubType": {
    "type": 0,
    "keyword": "<string>",
    "position": 0
  },
  "Hint": "<string>",
  "isSet": true,
  "extra_keywords": {
    "name": "<string>",
    "custom_name": "<string>",
    "custom_operator": "<string>",
    "custom_hint": "<string>",
    "keywords": "<string>",
    "weight": 123,
    "exclusive": true,
    "position": 123,
    "create": true,
    "type": 123
  }
}
'

{
  "invoice_id": 123,
  "message": "<string>",
  "status": 0
}