Add Subscription Item

Adds a new subscription item to an existing subscription or creates a preview of adding a new subscription item to an existing subscription. Optionally, you can overwrite the price of the subscription item that was defined in the Commerce Assistant. If you want to modify an existing subscription item, use /subscription/updatesubscriptionitem instead.
For more information, see Add Subscription Item. For XML examples and schemas, see the Additional Examples - Add Subscription Item.

Language
Authentication
Basic
base64
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Response
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