[Home](./index.md) > [rc-js-util](./rc-js-util.md) > [IBroadcastChannel](./rc-js-util.ibroadcastchannel.md) ## IBroadcastChannel interface Simple one to many communication channel. Proxies the arguments of emit to each listener. **Signature:** ```typescript export interface IBroadcastChannel ``` ## Methods

Method	Description
[addListener(listener)](./rc-js-util.ibroadcastchannel.addlistener.md)
[addListener(store, listener)](./rc-js-util.ibroadcastchannel.addlistener_1.md)	Registers a cleanup callback on the supplied [ICleanupRegistry](./rc-js-util.icleanupregistry.md).
[addOneTimeListener(listener)](./rc-js-util.ibroadcastchannel.addonetimelistener.md)	Like `addListener` but unregisters after first event.
[addOneTimeListener(store, listener)](./rc-js-util.ibroadcastchannel.addonetimelistener_1.md)	Like `addListener` but unregisters after first or on cleanup, whichever comes first.
[emit(args)](./rc-js-util.ibroadcastchannel.emit.md)
[getTargets()](./rc-js-util.ibroadcastchannel.gettargets.md)
[removeListener(listener)](./rc-js-util.ibroadcastchannel.removelistener.md)