Returns a Boolean value that indicates whether the node is executing actions.
- iOS 7.0+
- macOS 10.9+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 3.0+
YES if the node has any executing actions; otherwise
Adds an action to the list of actions executed by the node.
Adds an action to the list of actions executed by the node and schedules the argument block to be run upon completion of the action.
A speed modifier applied to all actions executed by a node and its descendants.
A Boolean value that determines whether actions on the node and its descendants are processed.