[#SSL_SESSION_set_max_early_data]
= SSL_SESSION_set_max_early_data
:mrdocs:

Set the maximum early‐data (0‐RTT) size advertised for a session.

== Synopsis

Declared in `<openssl/ssl.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
SSL_SESSION_set_max_early_data(
    xref:SSL_SESSION.adoc[SSL_SESSION]* s,
    uint32_t max_early_data);
----

== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *s*
| Session to update.
| *max_early_data*
| Maximum early‐data bytes allowed when resuming `s.`
|===


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