[#MAX_FEATUREID_LENGTH] = MAX_FEATUREID_LENGTH :mrdocs: Maximum length in bytes of a feature identifier in a feature message. == Synopsis Declared in `<protocol.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- inline constexpr size_t MAX_FEATUREID_LENGTH = {80}; ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#