[UEdGraphNode](API\Runtime\Engine\EdGraph\UEdGraphNode) * FindNodeByClass ( const [UEdGraph](API\Runtime\Engine\EdGraph\UEdGraph) * Graph, [TSubclassOf](API\Runtime\CoreUObject\Templates\TSubclassOf)< [UEdGraphNode](API\Runtime\Engine\EdGraph\UEdGraphNode) > NodeClass, bool bExpectedUnique ) const