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 Groups API only works with the Wix Restaurants Menus (New) app. Make sure you downloaded this app from Wix App Market.
Creates a modifier group. To create multiple modifier groups at once, use Bulk Create Modifiers.
You can only call this method when authenticated as a Wix app or Wix user identity.