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Offer Code from Introductory Offer with Upgrade

Definition of 

Offer Code from Introductory Offer with Upgrade

What's 
Offer Code from Introductory Offer with Upgrade
: it is one of the possible values for
Event
. It means:
Subscriber switched from an introductory offer to a subscription with an offer code of a higher level.

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Trends: Subscriptions Events

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