diff --git a/src/channel/channel.ts b/src/channel/channel.ts
index 4cb441a6..570b8754 100644
--- a/src/channel/channel.ts
+++ b/src/channel/channel.ts
@@ -12,6 +12,11 @@ export abstract class Channel {
      */
     abstract listen(event: string, callback: Function): Channel;
 
+    /**
+     * Whisper a client event on the channel instance.
+     */
+    abstract whisper(event: string, data: object): Channel;
+
     /**
      * Listen for a whisper event on the channel instance.
      */