Vidensdatabase

Create Template Override

Override folder will keep all custom changes to template files during CleanPDF module updates.

Create overrides folder inside \modules\addons\clean_pdf\templates\
Copy invoicepdf.php or quotepdf.php from \modules\addons\clean_pdf\templates\ to a new folder \modules\addons\clean_pdf\templates\overrides\
Edit the template file inside overrides folder and it will not be overwritten during upgrades.