Add Invoice Line Item number to the Email Subject for Invoice Holds

Summary:

Hi experts,

We are trying to add Invoice Line Item number to the Email Subject for Invoice Holds but we get null values. Has someone been able to successfully get any line level attribute, like line num or Item details in the email subject?

Thanks,

Abhishek

Content (please ensure you mask any confidential information):

We modified the FinApHoldApproval BPM workflow to add the Line Item number by adding a new

We tried to fetch the line details via both the methods - /task:task/task:payload/ns4:getInvoiceHeader1Response/ns4:result/ns5:InvoiceLine1/ns5:InventoryItemId

and

/task:task/task:payload/ns4: