How to call ExportCollectionActionListener from bean

In my scenario, I have to get a confirmation from user as "Are you sure you want to export table data to excel document?"
And when user clicks "YES", the data should be exported.
And I'm trying to achieve this using bean method, where in I can know whether user clicked "YES" or "NO".
But in here, how to call the "ExportCollectionActionListener" ?

check [url https://blogs.oracle.com/jdevotnharvest/entry/invoking_af_exportcollectionactionlistener_from_java]Invoking af:exportCollectionActionListener from Java 

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