pmpro_stripe_order_description

Filters the “description” value passed to the charge on the initial payment in Stripe.

apply_filters('pmpro_stripe_order_description', string $description, object $MemberOrder));

pmpro_stripe_create_subscription_array

Filter the subscription array sent to Stripe when creating a subscription.

apply_filters('pmpro_stripe_create_subscription_array', $subscription));