[#bsl-map-0a7-begin-07] = xref:bsl.adoc[bsl]::xref:bsl/map-0a7.adoc[map]::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 map, or the `end` iterator if this map is empty. == Synopsis Declared in `<bslstl_map.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- xref:bsl/map-0a7/iterator.adoc[map<KEY, VALUE, COMPARATOR, ALLOCATOR>::iterator] begin() noexcept; ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#