# IpcMainInvokeEvent Object extends `Event` * `processId` Integer - The internal ID of the renderer process that sent this message * `frameId` Integer - The ID of the renderer frame that sent this message * `sender` [WebContents](../web-contents.md) - Returns the `webContents` that sent the message * `senderFrame` [WebFrameMain](../web-frame-main.md) _Readonly_ - The frame that sent this message