contain with a parameterised class

gistfile1.txt

[root@master2 ~]# puppet apply foo.pp
Notice: Compiled catalog for master2 in environment production in 0.24 seconds
Notice: sdkjfbkjsbd
Notice: /Stage[main]/Bar/Notify[sdkjfbkjsbd]/message: defined 'message' as 'sdkjfbkjsbd'
Notice: /Stage[main]/Foo/File[/tmp/file]/ensure: defined content as '{md5}d111ae55ded9fb2cd63c590d1d0b1b30'
Notice: Finished catalog run in 0.46 seconds
[root@master2 ~]# cat foo.pp
class foo ($content) {
  file{ '/tmp/file':
    content => $content,
  }
}

class bar {
  notify { 'sdkjfbkjsbd': }
  contain foo
}

class { 'foo':
  content => 'sdfklnsdlf',
}
include bar