getOffersByTag
Returns every offer carrying the given Play Console offer tag.
Tags are the supported way to drive a paywall from the Play Console without shipping an app update: tag an offer "popular" or "winback" and select it here by tag rather than by hard-coded id.
Return
Matching offers, never null.
Since
4.4.0
Parameters
productId
Subscription product id.
tag
Offer tag; matched case-insensitively.