1#+begin_src cfengine3
2bundle agent main
3{
4  vars:
5    "json_string" string => '{"test": [1, 2, 3]}';
6
7  reports:
8    "This JSON string is valid!"
9      if => validdata("$(json_string)", "JSON");
10    "This JSON string is not valid."
11      unless => validdata("$(json_string)", "JSON");
12}
13#+end_src
14###############################################################################
15#+begin_src example_output
16#@ ```
17#@ R: This JSON string is valid!
18#@ ```
19#+end_src
20