feat: add loyalty points to Tx Data

erpnext/accounts/doctype/payment_request/payment_request.py

@@ -193,6 +193,16 @@ def get_tx_data(self):
 			address = frappe.get_doc("Address", party.customer_primary_address).as_dict()
 		else:
 			address = {}
+		ref_doc = frappe.get_doc(self.reference_doctype, self.reference_name)
+		lpm, lpp, lpa = (
+			party.get("loyalty_program"),
+			ref_doc.get("loyalty_points"),
+			ref_doc.get("loyalty_amount"),
+		)
+		if lpm and lpp and lpa:
+			loyalty_points = [lpm, lpp, lpa]
+		else:
+			loyalty_points = None
 		return frappe._dict(
 			{
 				"amount": self.grand_total,
@@ -201,6 +211,8 @@ def get_tx_data(self):
 				"reference_docname": self.name,
 				"payer_contact": contact,
 				"payer_address": address,
+				"loyalty_points": loyalty_points,
+				"discount_amount": ref_doc.get("discount_amount"),
 			}
 		)