Transaction Id on repayment

app/models/repayment.py

@@ -19,9 +19,10 @@ class Repayment(db.Model):
     product_id = db.Column(db.String(20), nullable=True)
     created_at = db.Column(db.DateTime, default=datetime.now(timezone.utc))
     updated_at = db.Column(db.DateTime, default=datetime.now(timezone.utc), onupdate=datetime.now(timezone.utc))
+    transaction_id = db.Column(db.String(50), nullable=True)
 
     @classmethod
-    def create_repayment(cls, customer_id, loan_id, product_id):
+    def create_repayment(cls, customer_id, loan_id, product_id, transaction_id):
 
 
         # Check customer exists
@@ -40,6 +41,7 @@ class Repayment(db.Model):
             customer_id=customer_id,
             loan_id=loan_id,
             product_id=product_id,
+            transaction_id = transaction_id
         )
 
         try: