diff --git a/arkui/ace_engine/native/native_dialog.h b/arkui/ace_engine/native/native_dialog.h
index 27bbaf88e5cc9cb99f96fc4d19eec8c3bfe0c11c..30b1f7878968004fff5cc816081ece55465427df 100644
--- a/arkui/ace_engine/native/native_dialog.h
+++ b/arkui/ace_engine/native/native_dialog.h
@@ -464,6 +464,176 @@ typedef struct {
      */
     int32_t (*registerOnDidDisappear)(
         ArkUI_NativeDialogHandle handle, void* userData, void (*callback)(void* userData));
+
+    /**
+     * @brief Sets the border width of the dialog box.
+     *
+     * @note This method must be called before the <b>show</b> method.
+     * @param handle Pointer to the dialog box controller.
+     * @param top Width of the top border.
+     * @param right Width of the right border.
+     * @param bottom Width of the bottom border.
+     * @param left Width of the left border.
+     * @param unit Unit of the width. The default value is vp.
+     * @return Returns the error code.
+     *         Returns {@link ARKUI_ERROR_CODE_NO_ERROR} if the operation is successful.
+     *         Returns {@link ARKUI_ERROR_CODE_PARAM_INVALID} if a parameter error occur..
+     * @since 18
+     */
+    int32_t (*setBorderWidth)(
+        ArkUI_NativeDialogHandle handle, float top, float right, float bottom, float left, ArkUI_LengthMetricUnit unit);
+
+    /**
+     * @brief Sets the border color of the dialog box.
+     *
+     * @note This method must be called before the <b>show</b> method.
+     * @param handle Pointer to the dialog box controller.
+     * @param top Color of the top border.
+     * @param right Color of the right border.
+     * @param bottom Color of the bottom border.
+     * @param left Color of the left border.
+     * @return Returns the error code.
+     *         Returns {@link ARKUI_ERROR_CODE_NO_ERROR} if the operation is successful.
+     *         Returns {@link ARKUI_ERROR_CODE_PARAM_INVALID} if a parameter error occur..
+     * @since 18
+     */
+    int32_t (*setBorderColor)(
+        ArkUI_NativeDialogHandle handle, uint32_t top, uint32_t right, uint32_t bottom, uint32_t left);
+
+    /**
+     * @brief Sets the border style of the dialog box.
+     *
+     * @note This method must be called before the <b>show</b> method.
+     * @param handle Pointer to the dialog box controller.
+     * @param top Style of the top border.
+     * @param right Style of the right border.
+     * @param bottom Style of the bottom border.
+     * @param left Style of the left border.
+     * @return Returns the error code.
+     *         Returns {@link ARKUI_ERROR_CODE_NO_ERROR} if the operation is successful.
+     *         Returns {@link ARKUI_ERROR_CODE_PARAM_INVALID} if a parameter error occur..
+     * @since 18
+     */
+    int32_t (*setBorderStyle)(
+        ArkUI_NativeDialogHandle handle, int32_t top, int32_t right, int32_t bottom, int32_t left);
+
+    /**
+     * @brief Sets the width of the dialog box background.
+     *
+     * @note This method must be called before the <b>show</b> method.
+     * @param handle Pointer to the dialog box controller.
+     * @param width Width of the background.
+     * @param unit Unit of the width. The default value is vp.
+     * @return Returns the error code.
+     *         Returns {@link ARKUI_ERROR_CODE_NO_ERROR} if the operation is successful.
+     *         Returns {@link ARKUI_ERROR_CODE_PARAM_INVALID} if a parameter error occur..
+     * @since 18
+     */
+    int32_t (*setWidth)(ArkUI_NativeDialogHandle handle, float width, ArkUI_LengthMetricUnit unit);
+
+    /**
+     * @brief Sets the height of the dialog box background.
+     *
+     * @note This method must be called before the <b>show</b> method.
+     * @param handle Pointer to the dialog box controller.
+     * @param height Height of the background.
+     * @param unit Unit of the height. The default value is vp.
+     * @return Returns the error code.
+     *         Returns {@link ARKUI_ERROR_CODE_NO_ERROR} if the operation is successful.
+     *         Returns {@link ARKUI_ERROR_CODE_PARAM_INVALID} if a parameter error occur..
+     * @since 18
+     */
+    int32_t (*setHeight)(ArkUI_NativeDialogHandle handle, float height, ArkUI_LengthMetricUnit unit);
+
+    /**
+     * @brief Sets the shadow of the dialog box background.
+     *
+     * @note This method must be called before the <b>show</b> method.
+     * @param handle Pointer to the dialog box controller.
+     * @param shadow Shadow style of the background, specified by an enumerated value.
+     * @return Returns the error code.
+     *         Returns {@link ARKUI_ERROR_CODE_NO_ERROR} if the operation is successful.
+     *         Returns {@link ARKUI_ERROR_CODE_PARAM_INVALID} if a parameter error occur..
+     * @since 18
+     */
+    int32_t (*setShadow)(ArkUI_NativeDialogHandle handle, ArkUI_ShadowStyle shadow);
+
+    /**
+     * @brief Sets the custom shadow of the dialog box background.
+     *
+     * @note This method must be called before the <b>show</b> method.
+     * @param handle Pointer to the dialog box controller.
+     * @param customShadow Custom shadow parameter. The format is the same as that of the <b>NODE_SHADOW</b> property.
+     * @return Returns the error code.
+     *         Returns {@link ARKUI_ERROR_CODE_NO_ERROR} if the operation is successful.
+     *         Returns {@link ARKUI_ERROR_CODE_PARAM_INVALID} if a parameter error occur..
+     * @since 18
+     */
+    int32_t (*setCustomShadow)(ArkUI_NativeDialogHandle handle, const ArkUI_AttributeItem* customShadow);
+
+    /**
+     * @brief Sets the background blur style of the dialog box.
+     *
+     * @note This method must be called before the <b>show</b> method.
+     * @param handle Pointer to the dialog box controller.
+     * @param blurStyle Background blur style, specified by an enumerated value.
+     * @return Returns the error code.
+     *         Returns {@link ARKUI_ERROR_CODE_NO_ERROR} if the operation is successful.
+     *         Returns {@link ARKUI_ERROR_CODE_PARAM_INVALID} if a parameter error occur..
+     * @since 18
+     */
+    int32_t (*setBackgroundBlurStyle)(ArkUI_NativeDialogHandle handle, ArkUI_BlurStyle blurStyle);
+
+    /**
+     * @brief Sets the keyboard avoidance mode of the dialog box.
+     *
+     * @note This method must be called before the <b>show</b> method.
+     * @param handle Pointer to the dialog box controller.
+     * @param keyboardAvoidMode Keyboard avoidance mode, specified by an enumerated value.
+     * @return Returns the error code.
+     *         Returns {@link ARKUI_ERROR_CODE_NO_ERROR} if the operation is successful.
+     *         Returns {@link ARKUI_ERROR_CODE_PARAM_INVALID} if a parameter error occur..
+     * @since 18
+     */
+    int32_t (*setKeyboardAvoidMode)(ArkUI_NativeDialogHandle handle, ArkUI_KeyboardAvoidMode keyboardAvoidMode);
+
+    /**
+     * @brief Sets whether to enable the hover mode for the dialog box.
+     *
+     * @note This method must be called before the <b>show</b> method.
+     * @param handle Pointer to the dialog box controller.
+     * @param enableHoverMode Whether to enable the hover mode. The default value is <b>false</b>.
+     * @return Returns the error code.
+     *         Returns {@link ARKUI_ERROR_CODE_NO_ERROR} if the operation is successful.
+     *         Returns {@link ARKUI_ERROR_CODE_PARAM_INVALID} if a parameter error occur..
+     * @since 18
+     */
+    int32_t (*enableHoverMode)(ArkUI_NativeDialogHandle handle, bool enableHoverMode);
+
+    /**
+     * @brief Set the default display area of the dialog box in hover mode.
+     *
+     * @note This method must be called before the <b>show</b> method.
+     * @param handle Pointer to the dialog box controller.
+     * @param hoverModeAreaType Display area in hover mode, specified by an enumerated value.
+     * @return Returns the error code.
+     *         Returns {@link ARKUI_ERROR_CODE_NO_ERROR} if the operation is successful.
+     *         Returns {@link ARKUI_ERROR_CODE_PARAM_INVALID} if a parameter error occur.
+     * @since 18
+     */
+    int32_t (*setHoverModeArea)(ArkUI_NativeDialogHandle handle, ArkUI_HoverModeAreaType hoverModeAreaType);
+
+    /**
+     * @brief Sets whether to get focus when the custom dialog is displayed.
+     *
+     * @param handle Indicates the pointer to the custom dialog box controller.
+     * @param focusable Specifies whether to get focus when the custom dialog is displayed. The default value is true.
+     * @return Returns the error code.
+     *         Returns {@link ARKUI_ERROR_CODE_NO_ERROR} if the operation is successful.
+     *         Returns {@link ARKUI_ERROR_CODE_PARAM_INVALID} if a parameter error occurs.
+     * @since 18
+     */
+    int32_t (*setFocusable)(ArkUI_NativeDialogHandle handle, bool focusable);
 } ArkUI_NativeDialogAPI_3;
 
 /**