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# holoscan::decode_message_label_payload

> Decode a MessageLabel from a byte blob produced by encode_message_label_payload.

```cpp showLineNumbers={false}
expected<MessageLabel, RuntimeError> holoscan::decode_message_label_payload(
    const std::vector<uint8_t> &payload
)
```

Decode a [MessageLabel](../classes/messagelabel) from a byte blob produced by encode\_message\_label\_payload.