[#CMessageHeader-nMessageSize]
= xref:CMessageHeader.adoc[CMessageHeader]::nMessageSize
:relfileprefix: ../
:mrdocs:

Size of the message payload in bytes&period;

== Synopsis

Declared in `&lt;protocol&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
uint32&lowbar;t nMessageSize = &lcub;std&colon;&colon;numeric&lowbar;limits&lt;uint32&lowbar;t&gt;&colon;&colon;max()&rcub;;
----


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