[#BloombergLP-balst-StackTraceFrame-libraryFileName] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balst.adoc[balst]::xref:BloombergLP/balst/StackTraceFrame.adoc[StackTraceFrame]::libraryFileName :relfileprefix: ../../../ :mrdocs: Return a reference providing non‐modifiable access to the `libraryFileName` attribute of this object. Note the empty string indicates that the `libraryFileName` is "unknown". == Synopsis Declared in `<balst_stacktraceframe.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- xref:bsl/string.adoc[bsl::string] const& libraryFileName() const; ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#