diff --git a/api/@ohos.multimodalInput.keyCode.d.ts b/api/@ohos.multimodalInput.keyCode.d.ts
index dd55302e26e61d3002c72db88d9263dfde22648d..08499311eabe5171392f97c6aa3479cd549987ff 100644
--- a/api/@ohos.multimodalInput.keyCode.d.ts
+++ b/api/@ohos.multimodalInput.keyCode.d.ts
@@ -66,6 +66,14 @@ export declare enum KeyCode {
    */
   KEYCODE_BACK = 2,
 
+  /**
+   * KEYCODE_HEADSETHOOK
+   *
+   * @syscap SystemCapability.MultimodalInput.Input.Core
+   * @since 20
+   */
+  KEYCODE_HEADSETHOOK = 6,
+
   /**
    * KEYCODE_SEARCH
    *