PayPal SDK - Save Transaction ID to Database - Integration 95% done【15 USD 2 Days】

Job ID: 40016583

Budget: $10 – $30 USD

We are using PayPal to receive payment.
https://mandarinnu.com

The PayPal SDK's integration is 95% done.
Orders are created in database with paypal ID, and payment received in our PayPal's account.

We need to save the transaction id to database for accounting uses.
Other code are all finished.

You must know both C# and JS.
You will have to work remotely on my computer via AnyDesk.
Related categories: JavaScript PayPal API React.js