[#OSSL_CMP_try_certreq]
= OSSL_CMP_try_certreq
:mrdocs:

Start or continue a deferred CMP certificate request (pollReq flow).

== Synopsis

Declared in `<openssl/cmp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
OSSL_CMP_try_certreq(
    xref:OSSL_CMP_CTX.adoc[OSSL_CMP_CTX]* ctx,
    int req_type,
    xref:OSSL_CRMF_MSG.adoc[OSSL_CRMF_MSG] const* crm,
    int* checkAfter);
----

== Return Value

1 if the certificate is ready, 0 if polling should continue, or ‐1 on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| CMP client context.
| *req_type*
| Body type (OSSL_CMP_IR, OSSL_CMP_CR, OSSL_CMP_KUR, or OSSL_CMP_P10CR).
| *crm*
| Optional CRMF message for IR/CR/KUR.
| *checkAfter*
| Receives server‐suggested poll interval when the request is pending.
|===


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