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# CBUUIDL2CAPPSMCharacteristicString

The PSM of an L2CAP channel associated with the GATT service containing this characteristic.

```
let CBUUIDL2CAPPSMCharacteristicString: String
```

## Discussion

This PSM is a little-endian <doc://com.apple.documentation/documentation/Swift/UInt16>. Servers can publish this characteristic with the UUID `ABDD3056-28FA-441D-A470-55A75A52553A`.

---

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