how I add a link for external url in action menu

[rslemer]

I wish add a external URL in menu action, in payments module

How I can add my app for open when user click in my link, into payments module, menu action ?

[joebordes]

not quite sure I understand but I think you are looking for a Business Action of type DETAILVIEWBASIC (search the wiki)

[rslemer]

yes, its that

thanks!