Definition of 

Downgrade

What's 
Downgrade
: it is one of the possible values for
Event
. It means:
Subscriber switched from a standard price subscription in a higher level to a subscription in a lower level in the same subscription group. A subscription counts as downgraded when it goes into effect on the subscriber’s next renewal date, as opposed to when the subscriber switches their subscription, which could be in the middle of the period.

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Trends: Subscriptions Events

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