Structure
PredicateBindings
iOS 17.0+
iPadOS 17.0+
Mac Catalyst 17.0+
macOS 14.0+
tvOS 17.0+
watchOS 10.0+
A mapping from a predicates’s input variables to their values.
struct PredicateBindingsOverview
If you define a custom predicate expression type, you must propagate the predicate’s bindings to its subexpressions.
If you define a custom predicate type, you must create an instance of this structure, populate it with the predicate’s variables, and propagate it throughout the expression tree.