# operation_options.assertOptionBag

- **Module:** operation_options
- **Package:** @libtmux/libtmux
- **Language:** TypeScript
- **Kind:** function
- **Source:** https://github.com/libtmux/libtmux-ts/blob/2cb93308200da38a26b59876618116850f110607/packages/workspace/src/operation_options.ts#L55
- **Page:** https://libtmux.org/reference/ts/operation_options-assertoptionbag/

```
operation_options.assertOptionBag(value: : unknown, method: : string) -> asserts value is object
```