#+begin_src cfengine3
bundle agent main
{
  reports:
      "$(with)"
        with => string_mustache( "{{%mykey}}",
                                 '{ "mykey": { "msg": "Hello World" } }' );
}
#+end_src
###############################################################################
#+begin_src example_output
#@ ```
#@ R: {
#@   "msg": "Hello World"
#@ }
#@ ```
#+end_src