void SetupDefaultUnitNodeDelegates ( [TDelegate](API\Runtime\Core\Delegates\TDelegate)< [FName](API\Runtime\Core\UObject\FName)([FRigVMExternalVariable](API\Plugins\RigVM\RigVMCore\FRigVMExternalVariable), [FString](API\Runtime\Core\Containers\FString))> InCreateExternalVariableDelegate )