[#GetDescriptorChecksum]
= GetDescriptorChecksum
:mrdocs:

Get the checksum for a `descriptor`.

== Synopsis

Declared in `<script/descriptor.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::string
GetDescriptorChecksum(std::string const& descriptor);
----

== Description

* If it already has one, and it is correct, return the checksum in the input.
* If it already has one that is wrong, return "".
* If it does not already have one, return the checksum that would need to be added.

== Return Value

The descriptor checksum, or an empty string if the existing one is wrong.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *descriptor* [in]
| The descriptor string to checksum.
|===


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