BetaBetaTests if the registered item machine has a specific callback (event or handler).
The name of the callback.
Whether the item machine defines the specified callback.
StaticgetBetaGet a registered item machine by its ID.
The ID of the item machine to get.
The registered item machine, or undefined if it does not exist.
Representation of an item machine definition that has been registered.
See
ItemMachineDefinition, registerItemMachine