~~Title: OpenListerData ~~
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If a [[:scripting:script_add-ins|script add-in ]]implements the **[[..:scripting_events:onopenlister|OnOpenLister]]** event, the method receives an **OpenListerData** object when invoked when a new Lister opens.


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$$ Property Name
$$ Return Type
$$ Description
$$ after
$$ //bool//
$$ Initially this is set to **False**, indicating that the event has been called before any tabs have been created. If you return **True** from the **[[..:scripting_events:onopenlister|OnOpenLister]]** event, it will be called again and **after** will be set to **True** to indicate all tabs have been created.
$$ lister
$$ //object://**[[lister|Lister]]** 
$$ Returns a **[[lister|Lister]]** object representing the newly opened Lister.
$$ 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//
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