Yes, you can capture subscription specific information as a Subscription Identifier itself. This can be set at the time of order or on existing subscriptions. The invoice template you use needs to take care of printing the appropriate data. Refer below help pages on subscription identifier. Please note that subscription identifier string needs to be unique, which means you cannot use same subscription identifier on more than one subscription.
I want to capture subscription specific information as a Subscription Identifier itself, can I do that?
Yes, you can capture subscription specific information as a Subscription Identifier itself. This can be set at the time of order or on existing subscriptions. The invoice template you use…

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