code: public OvhNetwork project_serviceName_network_private_networkId_region_POST(String serviceName, String networkId, String region) throws IOException {
  		String qPath = "/cloud/project/{serviceName}/network/private/{networkId}/region";
  		StringBuilder sb = path(qPath, serviceName, networkId);
  		HashMap<String, Object>o = new HashMap<String, Object>();
  		addBody(o, "region", region);
  		String resp = exec(qPath, "POST", sb.toString(), o);
  		return convertTo(resp, OvhNetwork.class);
  	}
docs: Activate private network in a new region
  
  REST: POST /cloud/project/{serviceName}/network/private/{networkId}/region
  @param networkId [required] Network id
  @param region [required] Region to active on your network
  @param serviceName [required] Service name