Event emitted when a user triggers a custom or built-in action button on a node card.
The identifier of the action (e.g. 'open', 'add-child', 'focus', 'reparent').
'open'
'add-child'
'focus'
'reparent'
The node on which the action was invoked.
Event emitted when a user triggers a custom or built-in action button on a node card.