code: function getSubCommands(context, command) {
    var commands = cli.getMapping(context).requisition.system.commands;
    var subcommands = commands.getAll().filter(function(subcommand) {
      return subcommand.name.indexOf(command.name) === 0 &&
             subcommand.name !== command.name &&
             !subcommand.hidden;
    });
  
    subcommands.sort(function(c1, c2) {
      return c1.name.localeCompare(c2.name);
    });
  
    subcommands = subcommands.map(function(subcommand) {
      return subcommand.toJson();
    });
  
    return subcommands;
  }
docs: Find all the sub commands of the given command