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# NFC Service
## Overview
NFC service uses neard package to detect the presence of NFC tags and signal clients via an event.
The presence event shall include a dictionary named "record" that contains entries with a "Type"
field and a value field named after the "Type" value.
## Verbs
| Name | Description | JSON Parameters |
|--------------------|:-------------------------------------|:-----------------------------------------------------------------------|
| subscribe | subscribe to NFC events | *Request:* {"value": "presence"} |
| unsubscribe | unsubscribe to NFC events | *Request:* {"value": "presence"} |
## Events
### neard response
| Name | Description | JSON Response |
|--------------------|:-------------------------------------|:-----------------------------------------------------------------------|
| presence | event that reports NFC tag presence | *Response:* {"status": "detected", |
| | | "record": { "Type": "URI", "URI": "http://www.nfc-forum.com" } } |
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