~~Title: CloseListerData ~~
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If a [[:scripting:script_add-ins|script add-in ]]implements the **[[..:scripting_events:oncloselister|OnCloseLister]]** event, the method receives a **CloseListerData** object before a Lister is closed.


<commandtable columns="3" id="cmdtable_1">
$$ Property Name
$$ Return Type
$$ Description
$$ lister
$$ //object://**[[lister|Lister]]** 
$$ Returns a **[[lister|Lister]]** object representing the Lister that is closing.
$$ prevent_save
$$ //bool//
$$ Set this to **True** to prevent the closing Lister from being saved as the new default Lister.
$$ 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//
$$ shutdown
$$ //bool//
$$ Returns **True** if the Lister is closing because Opus is shutting down.
</commandtable>