[#BloombergLP-balcl-CommandLine-printUsage-0f8]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balcl.adoc[balcl]::xref:BloombergLP/balcl/CommandLine.adoc[CommandLine]::printUsage
:relfileprefix: ../../../
:mrdocs:

Print usage to `stderr`, using the specified `programName`.

== Synopsis

Declared in `<balcl_commandline.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
printUsage(std::string_view const& programName) const;
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *programName*
| name of the program in the printed usage
|===


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