diff --git a/api/@ohos.multimedia.audio.d.ts b/api/@ohos.multimedia.audio.d.ts
index 53098402a8ef076389f5fc080498a6100ed4ddf2..614476155e027cd2986b032379025f2d56a3022e 100644
--- a/api/@ohos.multimedia.audio.d.ts
+++ b/api/@ohos.multimedia.audio.d.ts
@@ -7079,6 +7079,21 @@ declare namespace audio {
    */
   type AudioRendererWriteDataCallback = (data: ArrayBuffer) => AudioDataCallbackResult | void;
 
+  /**
+   * Type definition of callback function for audio renderer write data.
+   *
+   * @typedef { function } AudioRendererWriteDataCallback
+   * @param { ArrayBuffer } data - audio data array buffer.
+   * @returns { AudioDataCallbackResult | void } result of callback or void. If void or AudioDataCallbackResult.VALID is
+   * returned, it indicates the data is valid and will be played. If AudioDataCallbackResult.INVALID is returned, it
+   * indicates the data is will not be played.
+   * @syscap SystemCapability.Multimedia.Audio.Renderer
+   * @crossplatform
+   * @since 20
+   * @arkts 1.2
+   */
+  type AudioRendererWriteDataCallback = (data: ArrayBuffer) => AudioDataCallbackResult | undefined;
+
 
   /**
    * Audio timestamp info.