Const
Default TTL for pending signals (signals that arrived before the hook registered). The signaler can override this via the $expire field in the signal data using a natural-language duration (e.g., '1h', '24h').
$expire
Default TTL for pending signals (signals that arrived before the hook registered). The signaler can override this via the
$expirefield in the signal data using a natural-language duration (e.g., '1h', '24h').