diff --git a/packages/preview-process/src/parts/CreateWebViewServer/CreateWebViewServer.ts b/packages/preview-process/src/parts/CreateWebViewServer/CreateWebViewServer.ts
index 7e9ce0e2..4ac8881f 100644
--- a/packages/preview-process/src/parts/CreateWebViewServer/CreateWebViewServer.ts
+++ b/packages/preview-process/src/parts/CreateWebViewServer/CreateWebViewServer.ts
@@ -20,6 +20,12 @@ export const createWebViewServer = (id: number): void => {
         // eslint-disable-next-line @typescript-eslint/no-misused-promises
         this.server.on('request', handleRequest)
       },
+      on(event: string, listener: any): void {
+        this.server.on(event, listener)
+      },
+      off(event: string, listener: any): void {
+        this.server.off(event, listener)
+      },
       listen(port, callback): void {
         this.server.listen(port, callback)
       },
diff --git a/packages/preview-process/src/parts/WebViewServerTypes/WebViewServerTypes.ts b/packages/preview-process/src/parts/WebViewServerTypes/WebViewServerTypes.ts
index c6bd45c9..ae67b166 100644
--- a/packages/preview-process/src/parts/WebViewServerTypes/WebViewServerTypes.ts
+++ b/packages/preview-process/src/parts/WebViewServerTypes/WebViewServerTypes.ts
@@ -9,4 +9,6 @@ export interface WebViewServer {
   readonly setHandler: (handler: Handler) => void
   readonly server: Server
   readonly listen: (port: string, callback: () => void) => void
+  readonly on: (event: string, listener: any) => void
+  readonly off: (event: string, listener: any) => void
 }