How to add supplier quote reference in BPA line and search lines using this reference

Summary:

Hi All,

How to add supplier quote reference in BPA line and search lines using this reference

Content (please ensure you mask any confidential information):

We have a requirement to add different agreement from same supplier into 1 agreement with agreement reference is maintained in line level.

Client is looking for an option to capture this quote reference at BPA line level and search the BPA lines using this reference.

we are unable to identify any fields specific for this requirement, kindly help us how to capture any reference against a BPA line and make it available for search in Manage Agreements screen