[#bsl-multiset-03-begin-0a] = xref:bsl.adoc[bsl]::xref:bsl/multiset-03.adoc[multiset]::begin :relfileprefix: ../../ :mrdocs: Return an iterator providing modifiable access to the first `value_type` object in the ordered sequence of `value_type` objects maintained by this multiset, or the `end` iterator if this multiset is empty. == Synopsis Declared in `<bslstl_multiset.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- xref:bsl/multiset-03/iterator.adoc[multiset<KEY, COMPARATOR, ALLOCATOR>::iterator] begin() noexcept; ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#