API:StaticPopup Show

Shows a Static Popup, must be referenced by name.  Examples of popups include, party invite, delete confirmation for the trash, and other simple popup windows with a yes/no.

To see its use... install Fwatch (from curseforge) and type /fwatch Add Static_Popup

It will show you the use, and what is being called.  Example: StaticPopup_Show(BUYOUT_CONFIRMATION, Ancient Fossil)

Opening external link
it is possible to open an external link with default web browser on the computer

to do that use code

StaticPopupDialogs["OPEN_WEBROWER"].link=WebLink; StaticPopup_Show("OPEN_WEBROWER");

WebLink should contain web link, for example www.google.ru

after executing

StaticPopup_Show("OPEN_WEBROWER");

will be showed the popup menu with question "Open an external web link?" with 2 answer buttons - "Yes", "No"