Single product selection in PayPal Checkout

Where/how can I configure a single product selection?

I.e. the customer may only select one product!

Rainer

Greetings Rainer.

To achieve this, you first need to open payment settings:

From here, expand Additional Gateway Options and disable Users Can Select Multiple Products:

Let us know if you have any additional questions.

Thx Bojan for your quick reply. I got it.