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function is not described

PHPMailer\PHPMailer

PHPMailer::getBccAddresses() public WP 1.0

Allows for public read access to 'bcc' property. Before the send() call, queued addresses (i.e. with IDN) are not yet included.

{} It's a method of the class: PHPMailer{}

No Hooks.

Return

Array.

Usage

$PHPMailer = new PHPMailer();
$PHPMailer->getBccAddresses();

Code of PHPMailer::getBccAddresses() WP 5.7.2

<?php
public function getBccAddresses()
{
    return $this->bcc;
}