Updates an existing manual tax mapping.
Use this method to modify the tax rate or other details of an existing manual tax mapping.
Each time the manual tax mapping is updated, revision increments by 1.
The current revision must be passed when updating the manual tax mapping.
This ensures you're working with the latest manual tax mapping and prevents unintended overwrites.
You can only call this method when authenticated as a Wix app or Wix user identity.
This method doesn't return any custom errors, but may return standard errors. Learn more about standard Wix errors.