AI-generated Key Takeaways
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          This content defines the source of changes made to the change_eventresource.
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          It lists various enums representing different clients and tools used to make these changes, such as Google Ads web client, automated rules, scripts, API, Editor, and mobile app. 
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          Other sources include Search Ads 360 Sync and Post, internal tools, and uncategorized changes. 
The source that the change_event resource was made through.
| Enums | |
|---|---|
| 
 | No value has been specified. | 
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 | Used for return value only. Represents an unclassified client type unknown in this version. | 
| 
 | Changes made through the "ads.google.com". For example, changes made through campaign management. | 
| 
 | Changes made through Google Ads automated rules. | 
| 
 | Changes made through Google Ads scripts. | 
| 
 | Changes made by Google Ads bulk upload. | 
| 
 | Changes made by Google Ads API. | 
| 
 | Changes made by Google Ads Editor. This value is a placeholder. The API does not return these changes. | 
| 
 | Changes made by Google Ads mobile app. | 
| 
 | Changes made through Google Ads recommendations. | 
| 
 | Changes made through Search Ads 360 Sync. | 
| 
 | Changes made through Search Ads 360 Post. | 
| 
 | Changes made through internal tools. For example, when a user sets a URL template on an entity like a Campaign, it's automatically wrapped with the SA360 Clickserver URL. | 
| 
 | Types of changes that are not categorized, for example, changes made by coupon redemption through Google Ads. | 
| 
 | Changes made by subscribing to Google Ads recommendations. |