diff --git a/src/index.tsx b/src/index.tsx
index bccb2dd..b6c8b66 100644
--- a/src/index.tsx
+++ b/src/index.tsx
@@ -63,8 +63,8 @@ const RHFInput = ({
   };
 
   const eventWrapper = (event: EventFunction, eventName: string) => {
-    return (...arg: any) => {
-      const data = commonTask(event(arg));
+    return async (...arg: any) => {
+      const data = commonTask(await event(arg));
       setValue(
         name,
         data,
diff --git a/src/types.ts b/src/types.ts
index c47006d..090c9e5 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -21,13 +21,15 @@ export type ValidationOptions = Partial<{
     | { value: Validate | Record<string, Validate>; message: string };
 }>;
 
-export type EventFunction = (
-  args: any,
-) => {
+type EventFunctionResult = {
   value?: any;
   checked?: boolean;
 };
 
+export type EventFunction = (
+  args: any,
+) => EventFunctionResult | Promise<EventFunctionResult>;
+
 export type Props = {
   children?: React.ReactNode;
   innerProps?: any;