/**
  *
  */
 public static function main()
 {
     // Instantiate a new authorization request
     $authorizationRequest = new PagSeguroAuthorizationRequest();
     $authorizationRequest->setReference('REF123');
     $authorizationRequest->setRedirectURL('http://www.lojamodelo.com.br');
     $authorizationRequest->setNotificationURL('http://www.lojamodelo.com.br');
     /**
      * @enum "CREATE_CHECKOUTS",
      * @enum "RECEIVE_TRANSACTION_NOTIFICATIONS",
      * @enum "SEARCH_TRANSACTIONS",
      * @enum "MANAGE_PAYMENT_PRE_APPROVALS",
      * @enum "DIRECT_PAYMENT",
      * @enum "REFUND_TRANSACTIONS",
      * @enum "CANCEL_TRANSACTIONS"
      */
     $authorizationRequest->setPermissions(array("CREATE_CHECKOUTS", "RECEIVE_TRANSACTION_NOTIFICATIONS", "SEARCH_TRANSACTIONS", "MANAGE_PAYMENT_PRE_APPROVALS", "DIRECT_PAYMENT", "REFUND_TRANSACTIONS", "CANCEL_TRANSACTIONS"));
     try {
         /**
          * #### Credentials #####
          * Replace the parameters below with your credentials
          * You can also get your credentials from a config file. See an example:
          * $credentials = PagSeguroConfig::getApplicationCredentials();
          */
         $credentials = new PagSeguroApplicationCredentials("appId", "appKey");
         // Register this payment request in PagSeguro to obtain the payment URL to redirect your customer.
         $return = $authorizationRequest->register($credentials);
         self::printAuthorizationReturn($return);
     } catch (PagSeguroServiceException $e) {
         die($e->getMessage());
     }
 }