How to set to upload only PDF files on fieldtype Attach

[Helio_Jesus]

Thank you again for sharing…
Managed to backport to V12 as i said here…

[Plugin] Frappe/ERPNext Better Attach Control

First thanks for creating and sharing with all. As i am still using V12 i needed to backport so made some changes and now is working on V12. Here are the changes: // FROM GitHub - kid1194/frappe-better-attach-control: A small plugin for Frappe that adds the support of customizations to the attach control. // Backported to V12 // Modifed by HeLKDYS: 18-09-2022 import { isArray, isDataObject, deepCloneObject } from ‘./utils/check.js’; import { to_images_list } from ‘./utils/mime.js’; …