# ChangeLog of NFC JS API Changes in the Communication Subsystem

Compared with OpenHarmony 3.2 Beta4, OpenHarmony 3.2.10.2(Mr) has the following API changes in the distributed data management subsystem.

## cl.nfc.1 API Change
Some NFC JS APIs in API versions 6 to 8 cannot throw error codes and need to be deprecated and deleted, and then APIs in API version 9 are used instead.

You need to adapt your application based on the following information.

 **Change Impacts**

Some JS APIs in API versions 6 to 8 are affected. Your application needs to adapt new APIs so that it can properly implement functions in the SDK environment of the new version.

**Key API/Component Changes**

| Module                          | Class         | Method/Attribute/Enumeration/Constant| Change Type|
| -------------------------------- | ------------- | ------------------- | -------- |
| api/@ohos.nfc.cardEmulation.d.ts | cardEmulation | FeatureType         | Deprecated    |
| api/@ohos.nfc.cardEmulation.d.ts | cardEmulation | isSupported         | Deprecated    |
| api/@ohos.nfc.cardEmulation.d.ts | cardEmulation | hasHceCapability    | Added    |
| api/@ohos.nfc.controller.d.ts    | nfcController | isNfcAvailable      | Deprecated    |
| api/@ohos.nfc.controller.d.ts    | nfcController | openNfc             | Deprecated    |
| api/@ohos.nfc.controller.d.ts    | nfcController | closeNfc            | Deprecated    |
| api/@ohos.nfc.controller.d.ts    | nfcController | enableNfc           | Added    |
| api/@ohos.nfc.controller.d.ts    | nfcController | disableNfc          | Added    |
| api/@ohos.nfc.tag.d.ts           | tag           | getNfcATag          | Deprecated    |
| api/@ohos.nfc.tag.d.ts           | tag           | getNfcBTag          | Deprecated    |
| api/@ohos.nfc.tag.d.ts           | tag           | getNfcFTag          | Deprecated    |
| api/@ohos.nfc.tag.d.ts           | tag           | getNfcVTag          | Deprecated    |
| api/@ohos.nfc.tag.d.ts           | tag           | getNfcA             | Added    |
| api/@ohos.nfc.tag.d.ts           | tag           | getNfcB             | Added    |
| api/@ohos.nfc.tag.d.ts           | tag           | getNfcF             | Added    |
| api/@ohos.nfc.tag.d.ts           | tag           | getNfcV             | Added    |
| api/tag/tagSession.d.ts          | TagSession    | getTagInfo          | Deprecated    |
| api/tag/tagSession.d.ts          | TagSession    | connectTag          | Deprecated    |
| api/tag/tagSession.d.ts          | TagSession    | reset               | Deprecated    |
| api/tag/tagSession.d.ts          | TagSession    | isTagConnected      | Deprecated    |
| api/tag/tagSession.d.ts          | TagSession    | setSendDataTimeout  | Deprecated    |
| api/tag/tagSession.d.ts          | TagSession    | getSendDataTimeout  | Deprecated    |
| api/tag/tagSession.d.ts          | TagSession    | sendData            | Deprecated    |
| api/tag/tagSession.d.ts          | TagSession    | getMaxSendLength    | Deprecated    |
| api/tag/tagSession.d.ts          | TagSession    | connect             | Added    |
| api/tag/tagSession.d.ts          | TagSession    | resetConnection     | Added    |
| api/tag/tagSession.d.ts          | TagSession    | isConnected         | Added    |
| api/tag/tagSession.d.ts          | TagSession    | setTimeout          | Added    |
| api/tag/tagSession.d.ts          | TagSession    | getTimeout          | Added    |
| api/tag/tagSession.d.ts          | TagSession    | transmit            | Added    |
| api/tag/tagSession.d.ts          | TagSession    | getMaxTransmitSize  | Added    |

**Adaptation Guide**

View the following API references:
[@ohos.nfc.cardEmulation (Standard NFC Card Emulation)](https://gitee.com/openharmony/docs/blob/master/en/application-dev/reference/apis/js-apis-cardEmulation.md)

[@ohos.nfc.controller (Standard NFC)](https://gitee.com/openharmony/docs/blob/master/en/application-dev/reference/apis/js-apis-nfcController.md)

[@ohos.nfc.tag (Standard NFC Tags)](https://gitee.com/openharmony/docs/blob/master/en/application-dev/reference/apis/js-apis-nfcTag.md)

[tagSession (Standard NFC Tag Session)](https://gitee.com/openharmony/docs/blob/master/en/application-dev/reference/apis/js-apis-tagSession.md)
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