1# CustomizeData 2<!--Kit: Ability Kit--> 3<!--Subsystem: BundleManager--> 4<!--Owner: @wanghang904--> 5<!--Designer: @hanfeng6--> 6<!--Tester: @kongjing2--> 7<!--Adviser: @Brilliantry_Rui--> 8 9The CustomizeData module provides custom metadata. 10 11> **NOTE** 12> 13> The initial APIs of this module are supported since API version 7. Newly added APIs will be marked with a superscript to indicate their earliest API version. 14> 15> The APIs of this module are deprecated since API version 9. You are advised to use [Metadata](js-apis-bundleManager-metadata.md) instead. 16 17## CustomizeData<sup>(deprecated)</sup> 18 19This API is deprecated since API version 9. You are advised to use [Metadata](js-apis-bundleManager-metadata.md#metadata-1) instead. 20 21**System capability**: SystemCapability.BundleManager.BundleFramework 22 23 24 25| Name | Type | Read-Only| Optional| Description | 26| ------------------ | ------ | ---- | ---- | ---------------- | 27| name | string | No | No | Key that identifies a data element.| 28| value | string | No | No | Value of the data element. | 29| extra<sup>8+</sup> | string | No | No | Custom format of the data element. The value is an index to the resource that identifies the data. | 30