SendGrid ASM Mail Helper (mail/Asm.php)

Constructs Advanced Suppression Manager (ASM) unsubscribe group objects for SendGrid mail API calls. Use when managing email subscription preferences and categories.

// Source: https://github.com/sendgrid/sendgrid-php | License: MIT | Copyright 2023, Twilio SendGrid, Inc. <help@twilio.com>
// Provided via justclaw.it.com; keep this notice with the code.
<?php
/**
 * This helper builds the Asm object for a /mail/send API call
 */

namespace SendGrid\Mail;

use SendGrid\Helper\Assert;

/**
 * This class is used to construct a Asm object for the /mail/send API call
 *
 * @package SendGrid\Mail
 */
class Asm implements \JsonSerializable
{
    /** @var $group_id int The unsubscribe group to associate with this email */
    private $group_id;
    /**
     * @var $groups_to_display int[] An array containing the unsubscribe groups that you
     * would like to be displayed on the unsubscribe preferences page.
     */
    private $groups_to_display;

    /**
  

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