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# HMCharacteristicMetadataFormatTLV8

Indicates that the characteristic has TLV8 values.

```
let HMCharacteristicMetadataFormatTLV8: String
```

## Discussion

The value is an <doc://com.apple.documentation/documentation/Foundation/NSData> object containing a set of one or more TLV8’s, which are packed type-length-value items with an 8-bit type, 8-bit length, and N-byte value.

---

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