body common control

{
bundlesequence  => { "example" };
}

###########################################################

bundle agent example

{     
vars:

  "mylist" slist => { "/tmp/a", "/tmp/b", "/tmp/c" };

classes:

  "exists" expression => filesexist("@(mylist)");

reports:

  exists::

    "File does exist";

  !exists::

    "Does not yet exist";

}