diff --git a/api/@ohos.data.UDMF.d.ts b/api/@ohos.data.UDMF.d.ts
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+/*
+ * Copyright (c) 2023 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.
+ */
+
+/**
+ * UDMF - Unified Data Management Framework
+ *
+ * @namespace UDMF
+ * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+ */
+declare namespace UDMF {
+  /**
+   * the data type supported by unified data
+   *
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @since 10
+   */
+  enum UnifiedDataType {
+    /**
+     * indicate the data type is text
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    TEXT = 'Text',
+    /**
+     * indicate the data type is plain text
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    PLAIN_TEXT = 'Text.PlainText',
+    /**
+     * indicate the data type is hyperlink
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    HYPERLINK = 'Text.Hyperlink',
+    /**
+     * indicate the data type is html
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    HTML = 'Text.HTML',
+    /**
+     * indicate the data type is File
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    FILE = 'File',
+    /**
+     * indicate the data type is image
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    IMAGE = 'File.Media.Image',
+    /**
+     * indicate the data type is video
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    VIDEO = 'File.Media.Video',
+    /**
+     * indicate the data type is Folder
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    FOLDER = 'File.Folder',
+    /**
+     * indicate the data type is system defined record(this kind of data is provided and bound to OpenHarmony,
+     * also can be parsed by system provided API)
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    SYSTEM_DEFINED_RECORD = 'SystemDefinedType',
+    /**
+     * indicate the data type is system defined form(this kind of data is provided and bound to OpenHarmony,
+     * also can be parsed by system provided API)
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    SYSTEM_DEFINED_FORM = 'SystemDefinedType.Form',
+    /**
+     * indicate the data type is system defined app item(this kind of data is provided and bound to OpenHarmony,
+     * also can be parsed by system provided API)
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    SYSTEM_DEFINED_APP_ITEM = 'SystemDefinedType.AppItem',
+    /**
+     * indicate the data type is system defined pixel map(this kind of data is provided and bound to OpenHarmony,
+     * also can be parsed by system provided API)
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    SYSTEM_DEFINED_PIXEL_MAP = 'SystemDefinedType.PixelMap',
+    /**
+     * indicate the data type is application defined data(this kind of data is provided and bound to OpenHarmony,
+     * also can be parsed by system provided API)
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    APPLICATION_DEFINED_RECORD = 'ApplicationDefinedType'
+  }
+
+  /**
+   * describe the unified data, which can at most contains 512 unified data records, and its maximum memory is 512M.
+   *
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @since 10
+   */
+  class UnifiedData {
+    /**
+     * create unified data with a record
+     *
+     * @param { UnifiedRecord } record - Record will add into unified data.
+     * @throws { BusinessError } 401 - Parameter error.
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    constructor(record: UnifiedRecord);
+    /**
+     * add a record into unified data
+     *
+     * @param { UnifiedRecord } record - Record will add into unified data.
+     * @throws { BusinessError } 401 - Parameter error.
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    addRecord(record: UnifiedRecord): void;
+    /**
+     * get all records of unified data
+     *
+     * @returns { Array<UnifiedRecord> } Return the records of unified data
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    getRecords(): Array<UnifiedRecord>;
+  }
+
+  /**
+   * the data abstract supported by unified data
+   *
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @since 10
+   */
+  class Summary {
+    /**
+     * a map for each type and data size, key is data type, value is the corresponding data size
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    summary: { [key: string]: number };
+    /**
+     * total data size of data in Bytes
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    totalSize: number;
+  }
+
+  /**
+   * describe the unified record
+   *
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @since 10
+   */
+  class UnifiedRecord {
+    /**
+     * get type of unified record
+     *
+     * @returns { string } Return the type of unified data
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    getType(): string;
+  }
+
+  /**
+   * describe the unified text data
+   *
+   * @extends UnifiedRecord
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @since 10
+   */
+  class Text extends UnifiedRecord {
+    /**
+     * indicates the details of unified text
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    details?: { [key: string]: string };
+  }
+
+  /**
+   * describe the unified plain text data
+   *
+   * @extends Text
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @since 10
+   */
+  class PlainText extends Text {
+    /**
+     * indicates the content of text
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    textContent: string;
+    /**
+     * indicates the abstract of text
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    abstract?: string;
+  }
+
+  /**
+   * describe the unified link data
+   *
+   * @extends Text
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @since 10
+   */
+  class Hyperlink extends Text {
+    /**
+     * indicates the url of a link
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    url: string;
+    /**
+     * indicates the description of a link
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    description?: string;
+  }
+
+  /**
+   * describe the unified html data
+   *
+   * @extends Text
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @since 10
+   */
+  class HTML extends Text {
+    /**
+     * indicates the content of html, with html tags
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    htmlContent: string;
+    /**
+     * indicates the plain content of html
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    plainContent?: string;
+  }
+
+  /**
+   * describe the unified file data
+   *
+   * @extends UnifiedRecord
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @since 10
+   */
+  class File extends UnifiedRecord {
+    /**
+     * indicates the details of unified File
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    details?: { [key: string]: string };
+    /**
+     * indicates the uri of file
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    uri: string;
+  }
+
+  /**
+   * describe the unified image data
+   *
+   * @extends File
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @since 10
+   */
+  class Image extends File {
+    /**
+     * indicates the uri of image
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    imageUri: string;
+  }
+
+  /**
+   * describe the unified video data
+   *
+   * @extends File
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @since 10
+   */
+  class Video extends File {
+    /**
+     * indicates the uri of video
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    videoUri: string;
+  }
+
+  /**
+   * describe the unified folder data
+   *
+   * @extends File
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @since 10
+   */
+  class Folder extends File {
+    /**
+     * indicates the uri of folder
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    folderUri: string;
+  }
+
+  /**
+   * describe system defined type data(this kind of data is provided and bound to OpenHarmony,
+   * also can be parsed by system provided API)
+   *
+   * @extends UnifiedRecord
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @since 10
+   */
+  class SystemDefinedRecord extends UnifiedRecord {
+    /**
+     * indicates the details of system defined data
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    details?: { [key: string]: number | string | Uint8Array };
+  }
+
+  /**
+   * describe system defined form data(this kind of data is provided and bound to OpenHarmony,
+   * also can be parsed by system provided API)
+   *
+   * @extends SystemDefinedRecord
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @since 10
+   */
+  class SystemDefinedForm extends SystemDefinedRecord {
+    /**
+     * indicates the id of form
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    formId: number;
+    /**
+     * indicates the name of form
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    formName: string;
+    /**
+     * indicates the bundle name of form
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    bundleName: string;
+    /**
+     * indicates the ability name of form
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    abilityName: string;
+    /**
+     * indicates the module of form
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    module: string;
+  }
+
+  /**
+   * describe system defined app item data(this kind of data is provided and bound to OpenHarmony,
+   * also can be parsed by system provided API)
+   *
+   * @extends SystemDefinedRecord
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @since 10
+   */
+  class SystemDefinedAppItem extends SystemDefinedRecord {
+    /**
+     * indicates the app id
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    appId: string;
+    /**
+     * indicates the app name
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    appName: string;
+    /**
+     * indicates the id of app icon
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    appIconId: string;
+    /**
+     * indicates the id of app label
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    appLabelId: string;
+    /**
+     * indicates the bundle name of app
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    bundleName: string;
+    /**
+     * indicates the ability name of app
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    abilityName: string;
+  }
+
+  /**
+   * describe system defined pixel map data(this kind of data is provided and bound to OpenHarmony,
+   * also can be parsed by system provided API)
+   *
+   * @extends SystemDefinedRecord
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @since 10
+   */
+  class SystemDefinedPixelMap extends SystemDefinedRecord {
+    /**
+     * indicates the raw data of pixel map
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    rawData: Uint8Array;
+  }
+
+  /**
+   * describe application defined data(this kind of data is provided and bound to OpenHarmony,
+   * also can be parsed by system provided API)
+   *
+   * @extends UnifiedRecord
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @since 10
+   */
+  class ApplicationDefinedRecord extends UnifiedRecord {
+    /**
+     * indicates the type of data, should always be started with 'ApplicationDefined.', will
+     * return error otherwise
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    applicationDefinedType: string;
+    /**
+     * indicates the raw data of application defined data
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    rawData: Uint8Array;
+  }
+}
+
+export default UDMF;