[#OSSL_CRMF_CERTTEMPLATE_get0_serialNumber]
= OSSL_CRMF_CERTTEMPLATE_get0_serialNumber
:mrdocs:

Return the serial number from a CRMF CertTemplate.

== Synopsis

Declared in `<openssl/crmf.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:ASN1_INTEGER.adoc[ASN1_INTEGER] const*
OSSL_CRMF_CERTTEMPLATE_get0_serialNumber(xref:OSSL_CRMF_CERTTEMPLATE.adoc[OSSL_CRMF_CERTTEMPLATE] const* tmpl);
----

== Return Value

Internal serial number pointer, or NULL if absent or on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *tmpl*
| CertTemplate to query.
|===


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