[Home](./index.md) > [@empathyco/x-components](./x-components.md) > [InstallXOptions](./x-components.installxoptions.md) > [bus](./x-components.installxoptions.bus.md) ## InstallXOptions.bus property The XBus used in the [XPlugin](./x-components.xplugin.md). If not passed an instance of The XPriorityBus will be used. **Signature:** ```typescript bus?: XBus; ```