FinApHoldApproval notification shows partial information of PO

Summary:

We have implemented FinApHoldApproval to send notifications to requester when invoice associated to the PO is placed on hold. Also, we have checked "Don't send multiple notifications for the same human task event" check box in BPM so that multiple notifications are not fired for the same type of hold on multiple invoice lines. When the single notification that came in was reviewed it had only details of the single line and not all the lines of that particular PO (screenshot attached for your reference :

The above screenshot shows only information of one of the line of PO and not all the lines. Is there any way we can show details of PO lines in single notification?