[#bsl-unordered_multiset-06c-begin-08] = xref:bsl.adoc[bsl]::xref:bsl/unordered_multiset-06c.adoc[unordered_multiset]::begin :relfileprefix: ../../ :mrdocs: Return an iterator to the first element of this unordered multiset. == Synopsis Declared in `<bslstl_unorderedmultiset.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- xref:bsl/unordered_multiset-06c/const_iterator.adoc[unordered_multiset<KEY, HASH, EQUAL, ALLOCATOR>::const_iterator] begin() const noexcept; ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#