# fsChartsFreeChartIndex The `fsChartsFreeChartIndex` frees the memory of the given `FsChartIndex`. Once freed, the pointer can no longer be used.   ##### Syntax ``` wasm void fsChartsFreeChartIndex( FsChartIndex* index ); ```   ##### Members {{< table-wrapper >}} | Parameters | Description | |------------|--------------------------| | `index` | The chart index to free. | {{< /table-wrapper >}}   ##### Return Values The function returns False if something has gone wrong, otherwise it returns True.   ##### Remarks Although it is possible to free the data structure manually, it is highly recommended to use this function instead to prevent potential errors and memory leaks.