A plain-language explanation
The callout extension, now called the callout component, allows you to add short information to your ad that highlights the features of your offer.
Where it helps in practice
Callout assets add short offer facts to an ad but are not clickable links and should not repeat the headline.
The decision before implementation
Choose specific truthful differentiators suited to the campaign and prepare device and seasonal variants.
How to verify the result
Review serving, approval, readability, duplication and the asset set effect on enquiry quality.