[youtubei.js](../../../../README.md) / [Generator](../README.md) / generateRuntimeClass # Function: generateRuntimeClass() > **generateRuntimeClass**(`classname`, `classdata`, `logger`): [`YTNodeConstructor`](../../Helpers/interfaces/YTNodeConstructor.md)\<[`YTNode`](../../Helpers/classes/YTNode.md)\> Defined in: [src/parser/generator.ts:474](https://github.com/LuanRT/YouTube.js/blob/0733f60b57877f6b8b87dfd5cc6195b5085f5c09/src/parser/generator.ts#L474) Given example data for a class, introspect, implement dependencies, and create a new class ## Parameters ### classname `string` The name of the class ### classdata `unknown` The example of the class ### logger [`ParserErrorHandler`](../../Parser/type-aliases/ParserErrorHandler.md) The logger to log errors to ## Returns [`YTNodeConstructor`](../../Helpers/interfaces/YTNodeConstructor.md)\<[`YTNode`](../../Helpers/classes/YTNode.md)\> Class based on the example classdata extending YTNode