PHPMailer\PHPMailer

PHPMailer::addAddress │ public │ WP 1.0

Add a "To" address.

Method of the class: PHPMailer{}

No Hooks.

Returns

true|false. true on success, false if address already used or invalid in some way

Usage

$PHPMailer = new PHPMailer();
$PHPMailer->addAddress( $address, $name );
$address(string) (required)
The email address to send to.
$name(string)
.
Default: ''

PHPMailer::addAddress() code WP 6.9.1

wp-includes/PHPMailer/PHPMailer.php 
public function addAddress($address, $name = '')
{
    return $this->addOrEnqueueAnAddress('to', $address, $name);
}