diff --git a/types/rails__actioncable/index.d.ts b/types/rails__actioncable/index.d.ts
index 6acee50f973973..5d5fe1506f5e1d 100644
--- a/types/rails__actioncable/index.d.ts
+++ b/types/rails__actioncable/index.d.ts
@@ -41,6 +41,7 @@ export class Subscription<M extends BaseMixin = BaseMixin> {
 
     constructor(consumer: Consumer, params: ChannelNameWithParams, mixin: M);
     perform(action: string, data?: object): boolean;
+    send(data: any): boolean;
     unsubscribe(): this;
 }
 
diff --git a/types/rails__actioncable/rails__actioncable-tests.ts b/types/rails__actioncable/rails__actioncable-tests.ts
index 06b26fa362c924..f6339916c68d30 100644
--- a/types/rails__actioncable/rails__actioncable-tests.ts
+++ b/types/rails__actioncable/rails__actioncable-tests.ts
@@ -53,6 +53,7 @@ consumer.disconnect(); // $ExpectType void
     subscription.away();
     subscription.perform("action"); // $ExpectType boolean
     subscription.perform("action", {}); // $ExpectType boolean
+    subscription.send({ hello: "world" }); // $ExpectType boolean
     subscription.unsubscribe();
 
     // @ts-expect-error (typo)