I can’t choose a particular attribute when creating the rule as it’s not displayed in the attributes list.

The attribute is disabled for promo rules.

Solution: Enable the attribute for promo rules. To do this please go to: Admin > Catalog > Attributes > Mange Attributes > select attribute > Frontend Properties > set "Use for Promo Rule Conditions" to "Yes".

 

See more details on Auto Add Promo Items page / See more details on Special Promotions page / See more details on Shipping Rules page / See more details on Shipping Restrictions page / See more details on Special Promotions Pro page
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