diff --git a/api/@internal/component/ets/image.d.ts b/api/@internal/component/ets/image.d.ts
index 43097a46f0b1f3c2e4938cb26fa6286853360362..6a7b5a2ad288bb406068f7dfaf1d5fabd00dcd39 100644
--- a/api/@internal/component/ets/image.d.ts
+++ b/api/@internal/component/ets/image.d.ts
@@ -2271,6 +2271,18 @@ declare class ImageAttribute extends CommonMethod<ImageAttribute> {
    * @since 21
    */
   supportSvg2(enable: boolean) : ImageAttribute;
+
+  /**
+   * Animation effect when the image content changes.
+   *
+   * @param { ContentTransitionEffect } transition - Animation effect type
+   * @returns { ImageAttribute }
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @crossplatform
+   * @atomicservice
+   * @since 21
+   */
+  contentTransition(transition: ContentTransitionEffect): ImageAttribute;
 }
 
 /**