protected function saveRepayData( \Omnipay\Common\Message\ResponseInterface $response, $customerId )
	{
		$data = [];

		if( method_exists( $response, 'getCardReference' ) ) {
			$data['token'] = $response->getCardReference();
		}

		if( method_exists( $response, 'getExpiryMonth' ) ) {
			$data['month'] = $response->getExpiryMonth();
		}

		if( method_exists( $response, 'getExpiryYear' ) ) {
			$data['year'] = $response->getExpiryYear();
		}

		if( !empty( $data ) ) {
			$this->setCustomerData( $customerId, 'repay', $data );
		}
	}