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What does it do?
The Change History widget allows you to report on status changes for the account, ads, audience, budgets, keywords, network, and targeting, on an individual basis.
Note:
This widget only supports reporting on changes in Google Ads.
By default, the Google Ads API only returns Change History data for the last 30 days. If you choose a date range that goes beyond this period, no error will occur. However, it's important to note that the data shown is likely to be limited to the most recent 30 days unless we have cached the data in our system.
Google Ads API does not provide data for changes made using the Google Ads Editor. Hence, any changes that you might have made using the Google Ads Editor will not be included in the report.
Setting it up
Go to the ‘Items Selected’ dropdown option in the Widget Data settings sidebar. This will show you different options for change types, which you can select to see the change history.
To see when a type was last updated and which user made the change, select 'Last Changed' and 'Last Changed By' under 'Table Columns'.
Previewing the Results
The "Changes" column, as the name suggests, shows the count of individual changes done to the "Item" chosen.
For example, if you see '30' under the Changes column for the 'Change Type' Keyword, all '30' changes could be on a single or maybe a few keywords during the course of the chosen date range, it does not necessarily mean that '30' different keywords were modified.