diff --git a/extract_invoice.py b/extract_invoice.py
index 414e954..ed0b7ee 100644
--- a/extract_invoice.py
+++ b/extract_invoice.py
@@ -75,6 +75,7 @@ def extract_invoice(document):
 	#print(lines_output)
 
 	payload = json.dumps({
+	    "type": "invoice",
 	    "sales_invoice_number": invoice['response']['data'][0]['documentNo'],
 	    "sales_invoice_date": invoice['response']['data'][0]['invoiceDate']+"T00:00:00Z",
 	    "sales_invoice_due_date": str(dueDate)+"T00:00:00Z",