output

R: in bundle agent handler1: I got value1
R: in bundle agent handler1: I got value2
 !! Method invoked repairs
 !! Method invoked repairs
R: in bundle agent handler2: I got value1
R: in bundle agent handler2: I got value2
 !! Method invoked repairs
 !! Method invoked repairs

test.cf

body common control {

    bundlesequence => {"main",};

}

bundle agent main{
vars:
  "mybundles" slist => { "handler1","handler2" };
  "myvalues" slist => { "value1", "value2" };

methods:
  "$(mybundle)" usebundle => handler_iterator("$(mybundles)", "@(main.myvalues)");

}

bundle agent handler_iterator(handler, values)
# This expects a single value
{
methods:
  "$(handler)" usebundle => $(handler)("@(handler_iterator.values)");

}
bundle agent handler1(value1)
{
reports:
  cfengine::
    "in bundle agent handler1: I got $(value1)";
}

bundle agent handler2(value1)
{
reports:
  cfengine::
  "in bundle agent handler2: I got $(value1)";
}