Add Delivery Fee if cart total less than $100 AND Distance Rate shipping selected

// Add Delivery Fee if cart total less than $100 AND Distance Rate shipping selected
add_action( 'woocommerce_cart_calculate_fees', 'fivetwelve_conditional_delivery_fee', 20, 1 );
function fivetwelve_conditional_delivery_fee( $cart ) {
    if ( is_admin() && ! defined( 'DOING_AJAX' ) )
        return;
    
    global $woocommerce;
    
    // Get the current cart total
    $cart_total = $woocommerce->cart->cart_contents_total;
    
    // Move forward if cart total is less than $100
    if ( $cart_total < 100 ) {
    
        // Get the currently selected shipping method
        $chosen_shipping_methods = WC()->session->get( 'chosen_shipping_methods' );
        
        // If shipping method is local delivery, add $10 delivery fee
        if( in_array( 'szbd-shipping-method:10', $chosen_shipping_methods ) )
            $cart->add_fee( 'Delivery Fee', 10, false );   
    }
}