...
Note: Unless otherwise specified, the LMX_SetOption options affect checkout requests.
LMX_OPT_HEARTBEAT_CHECKOUT_SUCCESS_FUNCTION
LMX_OPT_HEARTBEAT_CHECKOUT_FAILURE_FUNCTION
LMX_OPT_HEARTBEAT_RETRY_FEATURE_FUNCTION
LMX_OPT_HEARTBEAT_CONNECTION_LOST_FUNCTION
LMX_OPT_HEARTBEAT_EXIT_FUNCTION
LMX_OPT_HEARTBEAT_CALLBACK_VENDORDATA
LMX_OPT_AUTOMATIC_HEARTBEAT_ATTEMPTS
LMX_OPT_AUTOMATIC_HEARTBEAT_INTERVAL
LMX_OPT_ALLOW_MULTIPLE_SERVERS
LMX_OPT_HOSTID_COMPARE_FUNCTION
LMX_OPT_HOSTID_CACHE_CLEANUP_INTERVAL
LMX_OPT_CUSTOM_HOSTID_FUNCTION
LMX_OPT_SERVERSIDE_REQUEST_STRING
Return values
On success, this function returns the status code LMX_SUCCESS.
...