function getPaymentProcessUrl($payment) {
		$payId = $this->getPayId($payment);

		$payload = array(
			"merchantId" => $this->config->merchantId,
			"payId" => $payId,
			"dttm" => $this->getDTTM()
		);

		$payload["signature"] = $this->signRequest($payload);

		$url = $this->sendRequest(
			"payment/process",
			$payload,
			"GET",
			array(),
			array("merchantId", "payId", "dttm", "signature"),
			true
		);

		$this->writeToLog("URL for processing payment ".$payId.": $url");

		return $url;
	}