Laravel – Stripe PHP error saying Received unknown parameter: payment_link

I am using the Stripe PHP SDK to create a Session. I have a product with a price that has a Payment Link created which includes a trial period. I want the Session to use the Payment Link as the Checkout page.

I keep getting error Stripe PHP error saying Received unknown parameter: payment_link. But when I check Stripe API docs the payment_link is a valid parameter for Session object. How else can I apply a trial to the product or price? Or do I need to add some additional parameters or library?

PHP CODE

    $session = StripeCheckoutSession::create([
        'line_items'  => [
            [
                'price' => 'price_1111',
                'quantity'   => 1,
            ],
        ],
        'mode'        => 'subscription', // tested with 'payment' as well
        'allow_promotion_codes' => true,
        'success_url' => env('APP_URL').'/x4/success/st?success={CHECKOUT_SESSION_ID}',
        'cancel_url'  => route('billing'),
        'payment_link' => 'plink_1111
    ]);
    return redirect()->away($session->url);