[#CMessageHeader-nMessageSize] = xref:CMessageHeader.adoc[CMessageHeader]::nMessageSize :relfileprefix: ../ :mrdocs: Size of the message payload in bytes. == Synopsis Declared in `<protocol.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- uint32_t nMessageSize = {std::numeric_limits<uint32_t>::max()}; ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#