The filterOnType operator filters a collection and returns only the elements that are of a specific type.It is mainly used ininheritance hierarchies where a collection contains mixed subtypes.

Note! This includes subclasses.

Syntax

collection->filterOnType(TypeName)

Example

Order is a base classOnlineOrder inherits from Order

Customer.allInstances->first.Orders->filterOnType(OnlineOrder)

This returns only Orders of type OnlineOrder