[#bsl-operator_ms-0b] = xref:bsl.adoc[bsl]::operator""_ms :relfileprefix: ../ :mrdocs: Create a `bsl::chrono::duration` object having the `bsl::milli` duration period and initialized with the specified `ms` number of milliseconds. == Synopsis Declared in `<bslstl_chrono.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- constexpr std::chrono::milliseconds operator""_ms(unsigned long long ms); ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#