Hello,
We really need to be able to add custom fields to subscriptions like on most other modules within the Zoho Finance suite.
Presently it appears you can add custom fields to invoices, customers, products, payments and credit notes, yet there appears to be absolutely no way to add custom fields to a subscription.
Unfortunately, this is the only field we actually need custom fields for!
The use case for our particular business (phone company) is multi-fold:
1) We need to add enter a unique required field to each subscription which links it to an external system via API.
2) There are a number of unique industry-specific fields we would like to track on a per-subscription basis. e.g. billing telephone number, unique customer domain name in our management portal.
Hopefully subscription custom fields can be launched in the near future, it's by far the most important type of custom field we need!