Required custom WooCommerce checkout fields don't validate entered value

Question

I\'m adding WooCommerce custom checkout fields in a Storefront child theme functions.php file.
They have a \"required\" attribute.
The ai

Answer 1

**/* If You Have Created Your Custom Field at the checkout page */**

add_action( 'woocommerce_after_checkout_validation', 'shipping_time_optionss', 9999, 2);
function shipping_time_optionss( $fields, $errors ){
    // if any validation errors
    if ( empty( $_POST['woo_shipping_time'] ) ) {
        $errors->add( 'woocommerce_password_error', __( 'Please Select Shipping Time Option.' ) );
    } `enter code here`
}