code: public OvhValidationResult payment_thod_POST(Long billingContactId, OvhCallbackUrl callbackUrl, Boolean _default, String description, Long orderId, String paymentType, Boolean register) throws IOException {
  		String qPath = "/me/payment/method";
  		StringBuilder sb = path(qPath);
  		HashMap<String, Object>o = new HashMap<String, Object>();
  		addBody(o, "billingContactId", billingContactId);
  		addBody(o, "callbackUrl", callbackUrl);
  		addBody(o, "default", _default);
  		addBody(o, "description", description);
  		addBody(o, "orderId", orderId);
  		addBody(o, "paymentType", paymentType);
  		addBody(o, "register", register);
  		String resp = exec(qPath, "POST", sb.toString(), o);
  		return convertTo(resp, OvhValidationResult.class);
  	}
docs: Pay an order and register a new payment method if necessary
  
  REST: POST /me/payment/method
  @param billingContactId [required] Billing contact id
  @param callbackUrl [required] URL's necessary to register
  @param _default [required] Is this payment method set as the default one
  @param description [required] Customer personalized description
  @param orderId [required] The ID of one order to pay it
  @param paymentType [required] Payment type
  @param register [required] Register this payment method if it's possible (by default it's false and do a oneshot transaction)
  
  API beta