Removes all items from a collection.
If any items in other collections reference the removed items in reference or multi-reference fields, those fields are cleared.
Note: Once items have been removed from a collection, they can't be restored.
You can only call this method when authenticated as a Wix app or Wix user identity.
ID of the collection to truncate.
This method doesn’t return any custom errors, but may return standard errors. Learn more about standard Wix errors.