Party Specific Item is a document that allows you to restrict certain items based on item name, brand or item group to a specific Customer or Supplier for a sales or purchase transaction.
Below is how the form looks:
Party Type: This can be Customer or Supplier.
Party: A specific Supplier/Customer depending on the option you choose for the Party Type.
Restrict Items Based On: User can restrict certain items to a specific Customer or Supplier based on one of these attributes - Item Group / Brand / Item.
Based On Value: Options for this field will depend on what you choose for the above field.