[Home](./index.md) > [@empathyco/x-components](./x-components.md) > [XComponentBusAPI](./x-components.xcomponentbusapi.md) > [emit](./x-components.xcomponentbusapi.emit_1.md) ## XComponentBusAPI.emit() method **Signature:** ```typescript emit(event: Event, payload: XEventPayload, metadata?: Omit): void; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | event | Event | | | payload | [XEventPayload](./x-components.xeventpayload.md)<Event> | | | metadata | Omit<[WireMetadata](./x-components.wiremetadata.md), 'moduleName' \| 'origin' \| 'location'> | _(Optional)_ | **Returns:** void