init(action:messageIdentifier:itemID:affiliateToken:campaignToken:)

Creates options for a subscription offer sheet with specific values for common properties.

init(action: MusicSubscriptionOffer.Action = .subscribe, messageIdentifier: MusicSubscriptionOffer.MessageIdentifier = .join, itemID: MusicItemID? = nil, affiliateToken: String? = nil, campaignToken: String? = nil)