typedef axl_bool(* VortexSaslAuthExternalFull)(VortexConnection *connection, const char *authorization_id, axlPointer user_data)

Asynchronous notification to enable user space to accept or deny authentication for SASL EXTERNAL profile, and passes a user defined pointer.

Functions using this handler are:

connection The connection where the request was received.
authorization_id The authorization id to authenticate.
user_data The user defined pointer to be passed to future SASL callbacks
axl_true to authenticate and allow request received or axl_false to deny it.