Adds an identifiable action to the list of actions executed by the node.
- iOS 7.0+
- macOS 10.9+
- Mac Catalyst 13.0+Beta
- tvOS 9.0+
- watchOS 3.0+
A unique key used to identify the action.
This method is identical to
runAction:, but the action is stored so that it can be retrieved later. If an action using the same key is already running, it is removed before the new action is added.
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.
Returns a Boolean value that indicates whether the node is executing actions.
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