AI-generated Key Takeaways
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          The content defines advertiser defined events and their required attributes. 
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          Events supported are "Viewed", "Cart", "Purchased", and "Recommended", each requiring a timestamp. 
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          Each event must include required item attributes defined in EventItemAttribute. 
Advertiser defined events and their attributes. All the values in the nested fields are required.
| Fields | |
|---|---|
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 Required. Advertiser defined event to be used for remarketing. The accepted values are "Viewed", "Cart", "Purchased" and "Recommended". | 
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 Required. Timestamp at which the event happened. The format is YYYY-MM-DD HH:MM:SS[+/-HH:MM], where [+/-HH:MM] is an optional timezone offset from UTC. If the offset is absent, the API will use the account's timezone as default. | 
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 | Required. Item attributes of the event. |