Updates a function.
Each time the function is updated,
revision increments by 1.
The existing revision must be passed when updating the function.
This ensures you're working with the latest version of the function
and prevents unintended overwrites.
This method may require higher-level permissions than the caller has, based on their identity and roles and permissions. In these cases, you can ensure the method is called with the required level of authorization by using one of the following:
This method doesn't return any custom errors, but may return standard errors. Learn more about standard Wix errors.