Run only if /home/t/pds-proxy/webapp/config directory has changes:
  cmd.wait:
    - name: tpkg --restart pds-proxy
    - watch:
      - file: {{ HOME_DIR }}/{{ APP_NAME }}/webapp/config/*

Error:

----------
          ID: Run only if /home/t/pds-proxy/webapp/config directory has changes
    Function: cmd.wait
        Name: tpkg --restart pds-proxy
      Result: False
     Comment: The following requisites were not found:
                                 watch:
                                     file: /home/t/pds-proxy/webapp/config/*
     Changes: