[#Descriptor-GetMaxKeyExpr]
= xref:Descriptor.adoc[Descriptor]::GetMaxKeyExpr
:relfileprefix: ../
:mrdocs:

Get the maximum key expression index&period; Used only for tests

== Synopsis

Declared in `&lt;script&sol;descriptor&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
uint32&lowbar;t
GetMaxKeyExpr() const = 0;
----

== Return Value

The highest key expression index in the descriptor&period;


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