identifier_exists: Definition

Use the identifier_exists attribute to indicate that unique product identifiers (UPIs) aren’t available for your product. Unique product identifiers are submitted using the gtin, mpn, and brand attributes.

When to use

Use for  products that don’t have a GTIN, MPN, or brand.

If your product is new (which you submit through the condition attribute) and it doesn’t have a value submitted for the gtin attribute, or both the mpn and brand attributes, then submit identifier_exists with a value of no or false.

Products that might not have unique product identifiers include:

  • Custom goods or one-of-a-kind items, like custom T-shirts, art, or handmade goods
  • Products produced before GTINs were introduced, like vintage products, antiques, books published before 1970, and other special items

Format

Follow these formatting guidelines to make sure we understand the data you're submitting. 

Type

Boolean
Supported values
(Text and XML feeds)		 yes, true, no, false

Supported values 
(Content API feeds)

 true, false
Repeated field No
 
File format Example entry
Text

no
XML feeds <g:identifier_exists>no</g:identifier_exists>

For format API information, see the Content API for Shopping.

Guidelines

Follow these guidelines to make sure you submit high-quality data for your products and get the best performance from your ads.

  • There are no minimum requirements for this attribute. Keep in mind that you still need to follow the formatting guidelines or the information you submit can't be used.

Examples

Products without GTINs, MPNs & brands

An illustration of a woman wearing a black dress

Product Customized Black Dress
title Customized Black Dress
price 32 USD
color black
size M
identifier exists no
condition new
is_bundle yes
gtin (Leave blank, since the dress is custom made and doesn't have a GTIN)
mpn (Leave blank, since the dress is custom made and doesn't have an MPN)

An illustration of a scarf that

Product Wool Scarf
title Hand knitted polka dot wool scarf - orange / black
identifier exists no
price 15 USD
color orange / black
condition new
gtin (Leave blank, since the scarf is custom made and doesn't have a GTIN)
mpn (Leave blank, since the scarf is custom made and doesn't have an MPN)
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