gistfile1.pp

define booga::booga (
  $setting,
  $another = 'baz',
) {
  # use the variables passed in. $name is a magic variable that comes from the title of the declared resource
  exec { "/path/to/some/script --enable ${setting} --with-${another} ${name}": }
}

# declare three copies, identical except for title/name
booga::booga { ['one', 'two', 'three']:
  setting => 'foo',
}