=> 'paypal',
		),

		// Block cart settings.
		'button_cart-block_heading'                => array(
			'heading'      => __( 'Cart Buttons', 'woocommerce-paypal-payments' ),
			'description'  => sprintf(
			// translators: %1$s and %2$s are the opening and closing of HTML <a> tag.
				__(
					'Customize the appearance of the PayPal smart buttons on the %1$sCart%2$s.',
					'woocommerce-paypal-payments'
				),
				'<a href="https://woocommerce.com/document/woocommerce-paypal-payments/#button-on-cart-block" target="_blank">',
				'</a>'
			),
			'type'         => 'ppcp-heading',
			'screens'      => array( State::STATE_START, State::STATE_ONBOARDED ),
			'requirements' => array(),
			'gateway'      => 'paypal',
		),
		'button_cart-block_label'                  => array(
			'title'        => __( 'Button Label', 'woocommerce-paypal-payments' ),
			'type'         => 'select',
			'class'        => array(),
			'input_class'  => array( 'wc-enhanced-select' ),
			/**
			 * Returns default label ID of the PayPal button in block cart.
			 */
			'default'      => apply_filters( 'woocommerce_paypal_payments_button_cart_block_label_default', 'paypal' ),
			'desc_tip'     => true,
			'description'  => __(
				'This controls the label on the primary button.',
				'woocommerce-paypal-payments'
			),
			'options'      => array(
				'paypal'   => __( 'PayPal', 'woocommerce-paypal-payments' ),
				'checkout' => __( 'Checkout', 'woocommerce-paypal-payments' ),
				'buynow'   => __( 'PayPal Buy Now', 'woocommerce-paypal-payments' ),
				'pay'      => __( 'Pay with PayPal', 'woocommerce-paypal-payments' ),
			),
			'screens'      => array(
				State::STATE_START,
				State::STATE_ONBOARDED,
			),
			'requirements' => array(),
			'gateway'      => 'paypal',
		),
		'button_cart-block_color'                  => array(
			'title'        => __( 'Color', 'woocommerce-paypal-payments' ),
			'type'         => 'select',
			'class'        => array(),
			'input_class'  => array( 'wc-enhanced-select' ),
			'default'      => 'gold',
			'desc_tip'     => true,
			'description'  => __(
				'Controls the background color of the primary button. Use "Gold" to leverage PayPal\'s recognition and preference, or change it to match your site design or aesthetic.',
				'woocommerce-paypal-payments'
			),
			'options'      => array(
				'gold'   => __( 'Gold (Recommended)', 'woocommerce-paypal-payments' ),
				'blue'   => __( 'Blue', 'woocommerce-paypal-payments' ),
				'silver' => __( 'Silver', 'woocommerce-paypal-payments' ),
				'black'  => __( 'Black', 'woocommerce-paypal-payments' ),
				'white'  => __( 'White', 'woocommerce-paypal-payments' ),
			),
			'screens'      => array(
				State::STATE_START,
				State::STATE_ONBOARDED,
			),
			'requirements' => array(),
			'gateway'      => 'paypal',
		),
		'button_cart-block_shape'                  => array(
			'title'        => __( 'Shape', 'woocommerce-paypal-payments' ),
			'type'         => 'select',
			'class'        => array(),
			'input_class'  => array( 'wc-enhanced-select' ),
			'default'      => 'rect',
			'desc_tip'     => true,
			'description'  => __(
				'The pill-shaped button\'s unique and powerful shape signifies PayPal in people\'s minds. Use the rectangular button as an alternative when pill-shaped buttons might pose design challenges.',
				'woocommerce-paypal-payments'
			),
			'options'      => array(
				'pill' => __( 'Pill', 'woocommerce-paypal-payments' ),
				'rect' => __( 'Rectangle', 'woocommerce-paypal-payments' ),
			),
			'screens'      => array(
				State::STATE_START,
				State::STATE_ONBOARDED,
			),
			'requirements' => array(),
			'gateway'      => 'paypal',
		),
		'button_cart-block_height'                 => array(
			'title'             => __( 'Button Height', 'woocommerce-paypal-payments' ),
			'type'              => 'number',
			'default'           => '48',
			'custom_attributes' => array(
				'min' => 40,
				'max' => 55,
			),
			'desc_tip'          => true,
			'description'       => __( 'Set a value from 40 to 55.', 'woocommerce-paypal-payments' ),
			'screens'           => array(
				State::STATE_START,
				State::STATE_ONBOARDED,
			),
			'requirements'      => array(),
			'gateway'           => 'paypal',
		),
		'button_cart-block_preview'                => array(
			'type'         => 'ppcp-preview',
			'preview'      => array(
				'id'      => 'ppcpCartBlockButtonPreview',
				'type'    => 'button',
				'message' => $preview_message,
			),
			'screens'      => array(
				State::STATE_ONBOARDED,
			),
			'requirements' => array(),
			'gateway'      => 'paypal',
		),
	);

	return array_merge( $fields, $smart_button_fields );
};