ElectronIpcRenderer.postMessage method

ElectronIpcRenderer › postMessage

Unofficial

Sends a message to the main process, optionally transferring ownership of zero or more MessagePort objects. The transferred ports are available in the main process as MessagePortMain objects via the ports property of the emitted event.

Signature:

postMessage(channel: string, message: unknown, transfer?: MessagePort[] | undefined): void

Parameters:

Parameter	Type	Description
channel	string	The IPC channel name.
message	unknown	The message to send.
transfer?	MessagePort[] | undefined	Optional transferable MessagePort objects.

Returns: void