code: public OvhRegion project_serviceName_region_POST(String serviceName, String region) throws IOException {
  		String qPath = "/cloud/project/{serviceName}/region";
  		StringBuilder sb = path(qPath, serviceName);
  		HashMap<String, Object>o = new HashMap<String, Object>();
  		addBody(o, "region", region);
  		String resp = exec(qPath, "POST", sb.toString(), o);
  		return convertTo(resp, OvhRegion.class);
  	}
docs: Request access to a region
  
  REST: POST /cloud/project/{serviceName}/region
  @param region [required] Region to add on your project
  @param serviceName [required] The project id