public function transform(PrivateMessage $message)
{
return ['message_id' => $message->message_id, 'user_id' => $message->user_id, 'target_id' => $message->target_id, 'timestamp' => $message->timestamp->toDateTimeString(), 'content' => $message->content, 'sender' => ['username' => $message->sender->username, 'colour' => $message->sender->user_colour]];
}