# libtmux::CommandRuntimeConfig

- **Module:** libtmux
- **Package:** libtmux-cxx
- **Language:** C++
- **Kind:** struct
- **Source:** https://github.com/libtmux/libtmux-cxx/blob/393d4b0ad666f18a6581f1eb281741a75a7503f0/include/libtmux/async.hpp#L33
- **Page:** https://libtmux.org/en/cxx/latest/reference/libtmux-commandruntimeconfig/

The maximum number of accepted commands retaining any lifecycle leg.

`start` rejects zero with `DeliveryStatus::not_started`. How many commands the runtime will admit at once.

## Members

- `capacity` (attribute)