Determines if a Chatwee client session has been set.
<?php
  require_once(dirname( __FILE__ ) . "/ChatweeV2_SDK/Chatwee.php");
  ChatweeV2_Configuration::setApiUrl(YOUR_API_URL);
  ChatweeV2_Configuration::setChatId(YOUR_PERSONAL_CHAT_ID);
  ChatweeV2_Configuration::setClientKey(YOUR_PERSONAL_CLIENT_KEY);
  try {
    if(ChatweeV2_Session::isSessionSet() === true) {
      echo "The Chatwee client session is set";
    }
  } catch(Exception $exception) {
    echo "An error occured: " . $exception->getMessage();
  }
?>
  
                        
                        
                            This method takes no parameters.