[youtubei.js](../../../README.md) / [Parser](../README.md) / parseCommand # Function: parseCommand() > **parseCommand**(`data`): [`YTNode`](../../Helpers/classes/YTNode.md) \| `undefined` Parses an InnerTube command and returns a YTNode instance if applicable. ## Parameters • **data**: [`RawNode`](../../APIResponseTypes/type-aliases/RawNode.md) The raw node data to parse ## Returns [`YTNode`](../../Helpers/classes/YTNode.md) \| `undefined` A YTNode instance if parsing is successful, undefined otherwise ## Defined in [src/parser/parser.ts:638](https://github.com/LuanRT/YouTube.js/blob/fc5571629eca037af7de03f4b903da6add1f300b/src/parser/parser.ts#L638)