diff --git a/api/@ohos.screenshot.d.ts b/api/@ohos.screenshot.d.ts
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+/*
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { AsyncCallback, ErrorCallback } from './basic';
+import image from './@ohos.multimedia.image';
+
+/**
+ * interface for screenshot
+ * @devices tv, phone, tablet, wearable, car
+ * @systemapi Hide this for inner system use.
+ * @since 7
+ */
+declare namespace screenshot {
+    /**
+     * Takes a screenshot and saves it as a PixelMap object
+     * @param options Screenshot options, which consist of screenRect, imageSize, and rotation. You need to set these parameters
+     * @devices tv, phone, tablet, wearable, car
+     * @permission ohos.permission.CAPTURE_SCREEN
+     * @since 7
+     */
+    function save(options?: ScreenshotOptions): Promise<image.PixelMap>;
+
+    /**
+     * Describes the region of the screen to capture
+     * @devices tv, phone, tablet, wearable, car
+     * @since 7
+     */
+    interface Rect {
+        left: number;
+        top: number;
+        width: number;
+        height: number;
+    }
+
+    /**
+     * Describes the size of the screen region to capture
+     * @devices tv, phone, tablet, wearable, car
+     * @since 7
+     */
+    interface Size {
+        width: number;
+        height: number;
+    }
+
+    /**
+     * Describes screenshot options
+     * @devices tv, phone, tablet, wearable, car
+     * @since 7
+     */
+    interface ScreenshotOptions {
+        /**
+         * Region of the screen to capture. If this parameter is null, the full screen will be captured
+         */
+        screenRect?: Rect;
+        /**
+         * Region of the screen to capture. If this parameter is null, the full screen will be captured
+         */
+        imageSize?: Size;
+        /**
+         * Rotation angle of the screenshot. The value can be 0, 90, 180, or 270. The default value is 0
+         */
+        rotation?: number;
+        /**
+         * The specify screen to be captured.
+         * @since 8
+         */
+        displayId?: number;
+    }
+}
+
+export default screenshot;