Confirmation Message

[Nuxeo_User]

Hello ,I want to add a confirmation dialog when pressing a button .I use the following XML extension:

Jeni te sigurt qe libri te mbyllet?

But nothing appears.Any help?

[Anahide_Tchertc]

see https://answers.nuxeo.com/general/q/73c2437320da4b7694c641346c8a221e/Add-a-JS-confirm-on-a-User-Inte...