Longman\TelegramBot\ConversationDB::initializeConversation PHP Method

    public static function initializeConversation()
    {
        if (!defined('TB_CONVERSATION')) {
            define('TB_CONVERSATION', self::$table_prefix . 'conversation');
        }
    }

 /**
  * Initialize Database external connection
  *
  * @param /PDO    $external_pdo_connection PDO database object
  * @param string $table_prefix
  */
 public function enableExternalMysql($external_pdo_connection, $table_prefix = null)
 {
     $this->pdo = DB::externalInitialize($external_pdo_connection, $this, $table_prefix);
     ConversationDB::initializeConversation();
     $this->mysql_enabled = true;
 }