1# CustomizeData
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3The **CustomizeData** module provides custom metadata.
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5> **NOTE**
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7> 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.
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9## CustomizeData<sup>(deprecated)</sup>
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11> This API is deprecated since API version 9. You are advised to use [Metadata](js-apis-bundleManager-metadata.md) instead.
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13**System capability**: SystemCapability.BundleManager.BundleFramework
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17| Name              | Type  | Read-Only| Optional| Description            |
18| ------------------ | ------ | ---- | ---- | ---------------- |
19| name               | string | No  | No  | Key that identifies a data element.|
20| value              | string | No  | No  | Value of the data element.  |
21| 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.      |
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