This API is subject to change. Bug fixes and new features will be released based on developer feedback throughout the preview period.
Note: The Item Modifier API only works with the Wix Restaurants Menus (New) app. Make sure you have installed this app from Wix App Market.
Updates an item modifier.
To update multiple item modifiers at once, use Bulk Update Item Modifiers.
Each time an item modifier is updated, revision increments by 1. The existing revision must be included when updating an item modifier. This ensures you're working with the latest item modifier information, and it prevents unintended overwrites.
You can only call this method when authenticated as a Wix app or Wix user identity.