This API is subject to change. Bug fixes and new features will be released based on developer feedback throughout the preview period.
Updates an existing add-on.
Each time an add-on is updated, its revision number increments by 1. The current revision must be passed when updating to ensure you're working with the latest version and prevent unintended overwrites.
Add-on ID.
This method doesn't return any custom errors, but may return standard errors. Learn more about standard Wix errors.