gistfile1.txt

body common control
{
        bundlesequence => { "globals" };
}

bundle agent foo(name)
{
  vars:
      "var_$(name)" string => "Hi $(name)";
  reports:
    cfengine::
      "$(name) = $(var_$(name))";
}

bundle agent globals
{
  methods:
      "boo" usebundle => foo("boo");
      "bar" usebundle => foo("bar");
  reports:
    cfengine::
      # Only foo.var_bar works. Why?
      # If I reverse the methods: promises, then only var_boo works.
      # It seems only the most-recently-set variable is properly expanded.
      # UPDATE: of course. The namespace for each bundle is cleared each time it's called.
      # It's not an array, it's a bundle :)
      "$(foo.var_boo)";
      "$(foo.var_bar)";
}