Contract Invoice Approval based on Contract Contact roles

Summary:

Route Contract Invoices for approval to the Contract party contacts based on their role

Content (required):

Route Contract Invoices for approval to the Contract party contacts based on their role.

Navigation: Contract -> Parties -> Select Supplier line -> Select Role e.g. 'Invoice Approver' and the employee name for the role.

The challenge is, in the BPM Task Configuration I cannot find the Contract Contact Role in the 'Left Value' section in the InvoiceApprovalHumantask

Version (include the version you are using, if applicable):

22D

Code Snippet (add any code snippets that support your topic, if applicable):

Any input/update on this or is it possible to do so?