var cardFormOptions = {}; $(this).chargeForm({ stripe_key: '{exp:charge:public_key}', form: '#charge-form', card: '#card-element', pay_button: '#pay-button', pay_button_processing_text: 'Please Wait...', pay_errors: '#payment-errors', progress: '#progress', coupon_form: '#coupon-form', coupon_field: '#coupon', coupon_status: '#coupon_status', card_form_options: cardFormOptions, });