diff --git a/bridge.go b/bridge.go
index d329440..6fcd480 100644
--- a/bridge.go
+++ b/bridge.go
@@ -502,3 +502,17 @@ func Error(v interface{}) (errVal error, err error) {
 
 	return errors.New(str), nil
 }
+
+func UintArray(v interface{}) *[]uint {
+	rv := reflect.ValueOf(v)
+	if rv.Kind() != reflect.Slice {
+		panic("not a slice")
+	}
+
+	buf := make([]uint, rv.Len(), rv.Len())
+	for i := 0; i < rv.Len(); i++ {
+		buf[i] = uint(rv.Index(i).Uint())
+	}
+
+	return &buf
+}
diff --git a/examples/caller/main.go b/examples/caller/main.go
index 821ad9e..6124257 100644
--- a/examples/caller/main.go
+++ b/examples/caller/main.go
@@ -60,15 +60,15 @@ func main() {
 	}
 	log.Println(bytes)
 
-	res, err = b.CallFunc("getError", nil)
+	res, err = b.CallFunc("bytes", []interface{}{wasm.UintArray(bytes)})
 	if err != nil {
 		panic(err)
 	}
 
-	verr, err := wasm.Error(res)
+	nb, err := wasm.Bytes(res)
 	if err != nil {
 		panic(err)
 	}
 
-	log.Println(verr)
+	log.Println(nb)
 }
diff --git a/examples/wasm/main.go b/examples/wasm/main.go
index c8bc057..3060131 100644
--- a/examples/wasm/main.go
+++ b/examples/wasm/main.go
@@ -7,6 +7,8 @@ import (
 	"errors"
 	"log"
 	"syscall/js"
+
+	"github.com/vedhavyas/go-wasm/go-converts"
 )
 
 func addition(this js.Value, args []js.Value) interface{} {
@@ -33,6 +35,12 @@ func getError(this js.Value, args []js.Value) interface{} {
 	return err.Error()
 }
 
+func receiveSendBytes(this js.Value, args []js.Value) interface{} {
+	b := args[0]
+	buf := converts.ToBytes(b)
+	return js.TypedArrayOf(buf)
+}
+
 func main() {
 	ch := make(chan bool)
 
@@ -41,6 +49,7 @@ func main() {
 	js.Global().Set("multiplier", js.FuncOf(multiplier))
 	js.Global().Set("getBytes", js.FuncOf(getBytes))
 	js.Global().Set("getError", js.FuncOf(getError))
+	js.Global().Set("bytes", js.FuncOf(receiveSendBytes))
 
 	res := js.Global().Get("addProxy").Invoke(1, 2)
 	log.Printf("1 + 2 = %d\n", res.Int())
diff --git a/examples/wasm/main.wasm b/examples/wasm/main.wasm
index c5cf12d..51d65fc 100755
Binary files a/examples/wasm/main.wasm and b/examples/wasm/main.wasm differ
diff --git a/go-converts/wasm.go b/go-converts/wasm.go
new file mode 100644
index 0000000..94ac596
--- /dev/null
+++ b/go-converts/wasm.go
@@ -0,0 +1,14 @@
+// +build js,wasm
+
+package converts
+
+import "syscall/js"
+
+func ToBytes(v js.Value) []byte {
+	buf := make([]byte, v.Length(), v.Length())
+	for i := 0; i < v.Length(); i++ {
+		buf[i] = byte(v.Index(i).Int())
+	}
+
+	return buf
+}