[#exec-file-changed]
= Execute on file changed

You can execute an action when a file is changed in a directory. The argument `filename` is pre-populated for you.

[source,yaml]
----
actions:
  - title: Print names of new files
    shell: "echo Filename: {{ filename }}  Filedir: {{ filedir }}  Filext: {{ fileext }}"
    arguments:
      - name: filename
        type: unicode_identifier

      - name: filedir
        type: unicode_identifier

      - name: fileext
        type: unicode_identifier

    execOnFileChangedInDir:
      - /home/user/Downloads/
----

include::partial$action_execution/onfileindir_arguments.adoc[]