To Auto-populate the line-level fields (Spec&grade) value based on the item(Product) in CPQ module.

Summary:

In the CPQ module, the requirement is to auto-populate the line-level attributes Spec and Grade after the user selects the Product (item).
These attribute values should be fetched from the Item Master (e.g., table EGP_SYSTEM_ITEMS_B or the corresponding item attribute sources).
Requesting guidance on the recommended technical approach to dynamically retrieve item attribute values and populate the CPQ line-level fields.

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