[#bsl-basic_string-01d-assign-0c3b] = xref:bsl.adoc[bsl]::xref:bsl/basic_string-01d.adoc[basic_string<char8_t>]::assign :relfileprefix: ../../ :mrdocs: Assign to this string the value of the specified null‐terminated `characterString` (of length `CHAR_TRAITS::length(characterString)`), and return a reference providing modifiable access to this string. == Synopsis Declared in `<bslstl_string.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- xref:bsl/basic_string-0faf.adoc[basic_string<char8_t>]& assign(char8_t const* characterString); ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#