How can i reach to any method to learn message is OK ?

[eguvenc]

How can i reach to any method to learn message is OK ?

var_dump($sendResult);
//
// Postmark\Models\DynamicResponseModel Object
// (
//     [_container:Postmark\Models\CaseInsensitiveArray:private] => Array
//         (
//             [errorcode] => 0
//             [message] => OK
//             [messageid] => 320dbb52-5b86-4e7a-bdc2-e3eca36ad40a
//             [submittedat] => 2024-06-26T08:32:50.1392443Z
//             [to] => [email protected]
//         )

//     [_pointer:Postmark\Models\CaseInsensitiveArray:private] => 0
// )