Get the selected ALV data with CPPR button action:

Dear Gurus,

I am new with SRM and need your help. I have two requirements:

1st- To get the action event with button CPPR(Start Collective Processing) of ALV under Prurchasing-->Purchasing documents

this ALV display the PR and send button used to send the PR to collecting processing,

2nd- To get the ALV data row selected in that particular event.

Here as per my analysis, we do not have any static event declared for the button also we do not have any static context node defined to get the values.

Please refer to the screen shot below:

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Please share your view on it.

Regards,

Chandan