Substitution for text of line items in purchase order

Hi everyone,

I have this requirement: suppose we create a purchase order, and that this PO is posted to a new (or yet existing) fixed asset. We must update the text in the line item of the PO with some information of the asset (new or existing).

Any BAdI's/user-exits/enhancements to do so?

Any help will be appreciated. Best regards,

Alvaro