[#BloombergLP-balcl-Option-longTag]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balcl.adoc[balcl]::xref:BloombergLP/balcl/Option.adoc[Option]::longTag
:relfileprefix: ../../../
:mrdocs:

Return the string used to identify this option on a command line preceded with `‐‐`, or 0 if there is no long tag associated with this option. The behavior is undefined if this option is a non‐option argument (i.e., has no tag).

== Synopsis

Declared in `<balcl_option.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
char const*
longTag() const;
----


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