Hello,
Are you trying to get the change history from the AdWords API or UI? If
you're using the AdWords UI to track the history of changes made in your
AdWords account, you can filter the changes based on date range, Campaigns,
ad group or user. The tracking through the UI is not limited and
I have been tracking my events in the UI. It seems that when it reaches to
14 track events, its not tracking anymore. I don't know why.
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