Element g:mpn#

Basic information#

The g:mpn element (Manufacturer Part Number) contains the manufacturer part number. It is a unique identifier for a specific product among all products from the same manufacturer. The value in g:mpn must be unique within the feed. The maximum code length in g:mpn is 70 characters.

• g:mpn element specification in Google Merchant Center Help

Elements related to g:mpn that can also be used in the feed:

• g:gtin — numeric product code (e.g. EAN)
• g:brand — product brand or manufacturer
• g:identifier_exists — used when no unique product identifier is available in g:gtin, g:mpn, or g:brand

Frequently asked questions#

• Is the g:mpn code required for products?
  • Yes, when the product does not have a unique identifier assigned in g:gtin (e.g. UPC code, EAN, ISBN).
  • If the product has no unique identifier at all (e.g. it is a custom item), g:mpn is not required and is optional only.
• How do I populate the g:mpn element with a value from another element?
  • Use the Bulk copy values rule to copy the value from another element — for example, from PRODUCTNO to g:mpn.
  • You can also use the Rewrite rule to save the value of another element (a variable) into g:mpn, for example: %PRODUCTNO%.
• What if I manufacture products myself and have no unique identifier?
  • If you have no g:gtin (EAN), no g:mpn, and no brand (g:brand), you must use the g:identifier_exists element and set it to false or no.
• Can I hide products with a missing g:mpn in Mergado?
  • Yes. Create a query to find such products and apply the Hide product rule to it.

What Mergado Audit checks for the g:mpn element#

• Whether g:mpn is missing or empty for any products, in relation to the g:gtin and g:identifier_exists elements.
• Whether g:mpn codes are unique and no duplicate values (i.e. the same g:mpn code for multiple products) appear in the feed.
• Whether the g:mpn element has the correct length — maximum 70 characters.

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