> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.nvidia.com/holoscan/sdk-user-guide/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.nvidia.com/holoscan/sdk-user-guide/_mcp/server.

# holoscan::decode_message_payload

> Decode a Message value via CodecRegistry using the given codec name.

```cpp showLineNumbers={false}
expected<Message, RuntimeError> holoscan::decode_message_payload(
    const std::string &codec_name,
    const std::vector<uint8_t> &payload
)
```

Decode a [Message](../classes/message) value via [CodecRegistry](../classes/codecregistry) using the given codec name.