code: public static String generateParameterHash(String path, String func, List<String> args) {
  		logger.debug(String.format("GenerateParameterHash : path=%s, func=%s, args=%s", path, func, args));
  
  		// Append the arguments
  		StringBuilder param = new StringBuilder(path);
  		param.append(func);
  		args.forEach(param::append);
  
  		// Compute the hash
  		String strHash = Hex.toHexString(hash(param.toString().getBytes(), new SHA3Digest()));
  
  		return strHash;
  	}
docs: Generate parameter hash for the given chain code path,func and args
  @param path Chain code path
  @param func Chain code function name
  @param args List of arguments
  @return hash of path, func and args