setReaderDisplay

window.addEventListener('prices-updated', event => {

    console.log('prices-updated');
    console.log(event.detail.info);

    var info = [];

    $(event.detail.info).each(function($index)
    {
        info[$index] = {
            description: this[0],
            quantity: this[1],
            amount: this[2] * 100,
        }
    });

    var subtotal = $('#subtotal').val();
    var tax = $('#tax').val();
    var total = $('#total').val();

    terminal.setReaderDisplay({

        type: 'cart',
        cart: {
            line_items: info,
            tax: tax * 100,
            total: total * 100,
            currency: 'usd',
        }

    });

});