[#SSL_SESSION_set1_ticket_appdata]
= SSL_SESSION_set1_ticket_appdata
:mrdocs:

Attach application data that will be stored inside a TLS session ticket.

== Synopsis

Declared in `<openssl/ssl.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
SSL_SESSION_set1_ticket_appdata(
    xref:SSL_SESSION.adoc[SSL_SESSION]* ss,
    void const* data,
    size_t len);
----

== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ss*
| Session that will be serialized into a ticket (typically from the generate‐ticket callback).
| *data*
| Application bytes to copy into the ticket, or NULL to clear.
| *len*
| Number of bytes at `data;` ignored when `data` is NULL.
|===


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