[#GetKeyForDestination]
= GetKeyForDestination
:mrdocs:

Return the CKeyID of the key involved in a script (if there is a unique one).

== Synopsis

Declared in `<script/signingprovider.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:CKeyID.adoc[CKeyID]
GetKeyForDestination(
    xref:SigningProvider.adoc[SigningProvider] const& store,
    xref:CTxDestination.adoc[CTxDestination] const& dest);
----

== Return Value

The key id involved in the destination, or an empty id if none is unique.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *store*
| The provider used to resolve the destination's key.
| *dest*
| The destination to inspect.
|===


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