title

Title of the product.

For google subscriptions, this corresponds with the name of the subscription and the name of the app. E.g: My subscription name (My app name). For amazon subscriptions, this will match the name.

If you are using Google subscriptions with multiple base plans, this title will be the same for every subscription duration (monthly, yearly, etc) as base plans don't have their own titles. Google suggests using the duration as a way to title base plans.