CloseTabData

If a script add-inimplements the OnCloseTab event, the method receives a CloseTabData object when a tab is closed.

Property Name	Return Type	Description
qualifiers	string	Returns a string indicating any qualifier keys that were held down by the user when the event was triggered. The string can contain any or all of the following: shift ctrl, alt, lwin, rwin If no qualifiers were down, the string will be: none
tab	object:Tab	Returns a Tab object representing the tab that is closing.