- subparser.addArgument("number")
- .help("Contact number");
- subparser.addArgument("-n", "--name")
- .required(true)
- .help("New contact name");
+ subparser.addArgument("number").help("Contact number");
+ subparser.addArgument("-n", "--name").required(true).help("New contact name");
+ subparser.addArgument("-e", "--expiration")
+ .required(false)
+ .type(int.class)
+ .help("Set expiration time of messages (seconds)");