Promotion ID [promotion_id]

 
For retailers using promotions, the promotion ID [promotion_id] attribute can be used in both your product data and promotions data to match products to promotions. Learn about promotions.

When to use

  • Optional for each product
Not available for free listings

If you're using a promotion with the products eligible for promotion [product_applicability]attribute set to specific_products, you can use the promotion ID [promotion_id] attribute in both your product and promotion data to match a product to a promotion. Review the promotions feed specification.

Using the promotion ID attribute helps Google to understand which products have promotions so that we can display the promotions appropriately.

Format

Follow these formatting guidelines to make sure Google understands the data you're submitting.

For details on when and how to submit values in English, learn more about submitting your product data

Type Unicode characters (Recommended: ASCII only): alphanumeric, underscores, and dashes 
Limits

1–50 characters

Repeated field Up to 10 times
 
File format Example value
Text feeds

tbby123_us

XML feeds <g:promotion_id>tbby123_us</g:promotion_id>

To format your data for Content API, see the Content API for Shopping.

Guidelines

Follow these guidelines to make sure you submit high-quality data for your products.

Minimum requirements

These are the requirements you'll need to meet to show your product. If you don't follow these requirements, we'll disapprove your product and let you know in the Diagnostics page in your Merchant Center account.

  • Submit the promotion ID attribute for the specific products in a promotion if the promotion uses the products eligible for promotion [product_applicability] attribute and it is set to specific_products. If the promotion uses the products eligible for promotion attribute and it is set to all_products, then the promotion ID code [promotion_id] attribute isn't needed, since the promotion applies to all of your products.
  • Use a unique ID for each different promotion. The ID allows you and Google to distinguish each promotion.
  • Use a stable ID for each promotion. Once you've assigned an ID to a promotion, don't change it. The ID you choose identifies the promotion and is used to track the product's performance history in Merchant Center and Google Ads. If you change the ID, you'll overwrite your promotion and its history.
  • Don’t reuse or recycle the same ID for different promotions. For example:
    • Don’t reuse an ID for different promotions in the same target country or language.
    • Don’t recycle an ID for new promotions. Even if you’re not running a promotion anymore, don't use that promotion's ID for any other promotion. Assign a unique ID for a new promotion.
  • Avoid white space. Consecutive white spaces and white spaces before and after the ID will be automatically removed.
  • Use casing to make IDs unique if needed. For example, we interpret the ID "abc123" and "ABC123" as different promotions.
  • Don't submit symbols.For example % or !
  • Don't submit invalid unicode characters. These characters are generally added during your file's encoding process. To avoid them, use UTF-8 encoding. To help prevent encoding issues, submit files in a compressed format. Examples of invalid unicode characters include:
    • Control characters (e.g., U+200D)
    • Function characters
    • Private area characters
    • Surrogate pairs
    • Unassigned code points

Best practices

These best practices can help you go beyond the basic requirements to optimize your product data for performance.

  • Match a product to more than one promotion by submitting the promotion ID [promotion_id] attribute up to 10 times per product.

Examples

Promotion applies to specific products

Use the same value for the promotion ID [promotion_id] attribute in your product data and promotions data when a promotion applies to a product.

Feed type Promotions data
Promotion Free shipping event

Products eligible for promotion [product_applicability]

specific_products
Promotion ID [promotion_id] 01ABC
   
Feed type Product data
Product Android Squishable - Small
Promotion ID [promotion_id] 01ABC
   
Feed type Product data
Product Android Squishable - Large
Promotion ID [promotion_id] 01ABC
   
Feed type Product data
Product Android Squishable - Extra large
Promotion ID [promotion_id]  
Promotion applies to all products

Don't use Promotion ID [promotion_id] attribute since your promotion applies to all products.

Feed type Promotions data
Promotion Free shipping event
Products eligible for promotion [product_applicability] all_products
Promotion ID [promotion_id]  
   
Feed type Product data
Product Android Squishable - Small
Promotion ID [promotion_id] None, since the promotion applies to all products
   
Feed type Product data
Product Android Squishable - Large
Promotion ID [promotion_id]  

 

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