Manual:Hooks/ApiMaxLagInfo

Argument

 * &$lagInfo: Maximum lag information array. Fields in the array are:
 * 'lag' is the number of seconds of lag.
 * 'host' is the host name on which the lag exists.
 * 'type' is an indication of the type of lag, e.g. "db" for database replication lag or "jobqueue" for job queue size converted to pseudo-seconds.
 * It is possible to add more fields and they will be returned to the user in the API response.