code: public ArrayList<OvhInstance> project_serviceName_instance_bulk_POST(String serviceName, String flavorId, String groupId, String imageId, Boolean monthlyBilling, String name, OvhNetworkBulkParams[] networks, Long number, String region, String sshKeyId, String userData, String volumeId) throws IOException {
  		String qPath = "/cloud/project/{serviceName}/instance/bulk";
  		StringBuilder sb = path(qPath, serviceName);
  		HashMap<String, Object>o = new HashMap<String, Object>();
  		addBody(o, "flavorId", flavorId);
  		addBody(o, "groupId", groupId);
  		addBody(o, "imageId", imageId);
  		addBody(o, "monthlyBilling", monthlyBilling);
  		addBody(o, "name", name);
  		addBody(o, "networks", networks);
  		addBody(o, "number", number);
  		addBody(o, "region", region);
  		addBody(o, "sshKeyId", sshKeyId);
  		addBody(o, "userData", userData);
  		addBody(o, "volumeId", volumeId);
  		String resp = exec(qPath, "POST", sb.toString(), o);
  		return convertTo(resp, t21);
  	}
docs: Create multiple instances
  
  REST: POST /cloud/project/{serviceName}/instance/bulk
  @param flavorId [required] Instance flavor id
  @param groupId [required] Start instance in group
  @param imageId [required] Instance image id
  @param monthlyBilling [required] Active monthly billing
  @param name [required] Instance name
  @param networks [required] Create network interfaces
  @param number [required] Number of instances you want to create
  @param region [required] Instance region
  @param serviceName [required] Project name
  @param sshKeyId [required] SSH keypair id
  @param userData [required] Configuration information or scripts to use upon launch
  @param volumeId [required] Specify a volume id to boot from it