code: public OvhDomainTaskArgument task_domain_id_argument_key_GET(Long id, String key) throws IOException {
  		String qPath = "/me/task/domain/{id}/argument/{key}";
  		StringBuilder sb = path(qPath, id, key);
  		String resp = exec(qPath, "GET", sb.toString(), null);
  		return convertTo(resp, OvhDomainTaskArgument.class);
  	}
docs: Get this object properties
  
  REST: GET /me/task/domain/{id}/argument/{key}
  @param id [required] Id of the task
  @param key [required] Key of the argument