Paypal Plan ID

In your app dashboard, navigate to Products & Services -> Plans.
Click on Create Plan.
Provide a Name for your plan.
Choose the Pricing details for your plan (e.g., amount, currency, billing cycle).
After setting up your plan details, PayPal will automatically generate a Plan ID for your new subscription plan.
Copy the Plan ID generated by PayPal. This ID uniquely identifies your subscription plan in the PayPal system.
In your application or script, navigate to Finance Manager -> Subscription Plans
Paste the copied Plan ID into the respective field designated for PayPal Plan IDs.
Save the changes in your application's settings.